64135456 has 48 divisors (see below), whose sum is σ = 157429440. Its totient is φ = 24986880.

The previous prime is 64135453. The next prime is 64135457. The reversal of 64135456 is 65453146.

It is a super-2 number, since 2×64135456² = 8226713432655872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64135453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10551 + ... + 15478.

It is an arithmetic number, because the mean of its divisors is an integer number (3279780).

Almost surely, 2^64135456 is an apocalyptic number.

It is an amenable number.

64135456 is an abundant number, since it is smaller than the sum of its proper divisors (93293984).

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

64135456 is a wasteful number, since it uses less digits than its factorization.

64135456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26057 (or 26049 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 64135456 is about 8008.4615251620. The cubic root of 64135456 is about 400.2820011417.

The spelling of 64135456 in words is "sixty-four million, one hundred thirty-five thousand, four hundred fifty-six".