64514136 has 32 divisors (see below), whose sum is σ = 161487360. Its totient is φ = 21477792.

The previous prime is 64514129. The next prime is 64514159. The reversal of 64514136 is 63141546.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30241 + ... + 32303.

It is an arithmetic number, because the mean of its divisors is an integer number (5046480).

Almost surely, 2^64514136 is an apocalyptic number.

It is an amenable number.

64514136 is an abundant number, since it is smaller than the sum of its proper divisors (96973224).

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

64514136 is a wasteful number, since it uses less digits than its factorization.

64514136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3375 (or 3371 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 64514136 is about 8032.0692228093. The cubic root of 64514136 is about 401.0682611721.

The spelling of 64514136 in words is "sixty-four million, five hundred fourteen thousand, one hundred thirty-six".