64157135 has 32 divisors (see below), whose sum is σ = 94003200. Its totient is φ = 41086080.

The previous prime is 64157113. The next prime is 64157141. The reversal of 64157135 is 53175146.

It is not a de Polignac number, because 64157135 - 2¹⁰ = 64156111 is a prime.

It is a super-2 number, since 2×64157135² = 8232275942816450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30446 + ... + 32484.

It is an arithmetic number, because the mean of its divisors is an integer number (2937600).

Almost surely, 2^64157135 is an apocalyptic number.

64157135 is a deficient number, since it is larger than the sum of its proper divisors (29846065).

64157135 is a wasteful number, since it uses less digits than its factorization.

64157135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111.

The product of its digits is 12600, while the sum is 32.

The square root of 64157135 is about 8009.8149167131. The cubic root of 64157135 is about 400.3270970293.

The spelling of 64157135 in words is "sixty-four million, one hundred fifty-seven thousand, one hundred thirty-five".