134512500 has 144 divisors (see below), whose sum is σ = 417348288. Its totient is φ = 33600000.

The previous prime is 134512493. The next prime is 134512529. The reversal of 134512500 is 5215431.

It is a super-2 number, since 2×134512500² = 36187225312500000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 637395 + ... + 637605.

It is an arithmetic number, because the mean of its divisors is an integer number (2898252).

Almost surely, 2^134512500 is an apocalyptic number.

134512500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134512500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208674144).

134512500 is an abundant number, since it is smaller than the sum of its proper divisors (282835788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134512500 is a wasteful number, since it uses less digits than its factorization.

134512500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 134512500 is about 11597.9524054895. The cubic root of 134512500 is about 512.3745479176.

Adding to 134512500 its reverse (5215431), we get a palindrome (139727931).

It can be divided in two parts, 13451 and 2500, that added together give a palindrome (15951).

The spelling of 134512500 in words is "one hundred thirty-four million, five hundred twelve thousand, five hundred".