134644260 has 96 divisors (see below), whose sum is σ = 401909760. Its totient is φ = 33581952.

The previous prime is 134644259. The next prime is 134644283. The reversal of 134644260 is 62446431.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93909 + ... + 95331.

It is an arithmetic number, because the mean of its divisors is an integer number (4186560).

Almost surely, 2^134644260 is an apocalyptic number.

134644260 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 134644260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200954880).

134644260 is an abundant number, since it is smaller than the sum of its proper divisors (267265500).

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

134644260 is a wasteful number, since it uses less digits than its factorization.

134644260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537 (or 1535 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 134644260 is about 11603.6313281662. The cubic root of 134644260 is about 512.5417899693.

The spelling of 134644260 in words is "one hundred thirty-four million, six hundred forty-four thousand, two hundred sixty".