134434512 has 80 divisors (see below), whose sum is σ = 394905280. Its totient is φ = 43763328.

The previous prime is 134434501. The next prime is 134434513. The reversal of 134434512 is 215434431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134434513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14958 + ... + 22194.

It is an arithmetic number, because the mean of its divisors is an integer number (4936316).

Almost surely, 2^134434512 is an apocalyptic number.

134434512 is a gapful number since it is divisible by the number (12) 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 134434512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197452640).

134434512 is an abundant number, since it is smaller than the sum of its proper divisors (260470768).

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

134434512 is a wasteful number, since it uses less digits than its factorization.

134434512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7297 (or 7285 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 134434512 is about 11594.5897728208. The cubic root of 134434512 is about 512.2755068341.

Adding to 134434512 its reverse (215434431), we get a palindrome (349868943).

It can be divided in two parts, 13443 and 4512, that added together give a triangular number (17955 = T₁₈₉).

The spelling of 134434512 in words is "one hundred thirty-four million, four hundred thirty-four thousand, five hundred twelve".