64135258 has 16 divisors (see below), whose sum is σ = 105071616. Its totient is φ = 29118240.

The previous prime is 64135243. The next prime is 64135259. The reversal of 64135258 is 85253146.

It is a super-2 number, since 2×64135258² = 8226662637453128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64135259) 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, 35710 + ... + 37462.

It is an arithmetic number, because the mean of its divisors is an integer number (6566976).

Almost surely, 2^64135258 is an apocalyptic number.

64135258 is a deficient number, since it is larger than the sum of its proper divisors (40936358).

64135258 is a wasteful number, since it uses less digits than its factorization.

64135258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3429.

The product of its digits is 28800, while the sum is 34.

The square root of 64135258 is about 8008.4491632275. The cubic root of 64135258 is about 400.2815892223.

The spelling of 64135258 in words is "sixty-four million, one hundred thirty-five thousand, two hundred fifty-eight".