64364136 has 32 divisors (see below), whose sum is σ = 161907360. Its totient is φ = 21321792.

The previous prime is 64364129. The next prime is 64364171. The reversal of 64364136 is 63146346.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 64364097 and 64364106.

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, 4315 + ... + 12138.

It is an arithmetic number, because the mean of its divisors is an integer number (5059605).

Almost surely, 2^64364136 is an apocalyptic number.

It is an amenable number.

64364136 is an abundant number, since it is smaller than the sum of its proper divisors (97543224).

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

64364136 is a wasteful number, since it uses less digits than its factorization.

64364136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16625 (or 16621 counting only the distinct ones).

The product of its digits is 31104, while the sum is 33.

The square root of 64364136 is about 8022.7262199330. The cubic root of 64364136 is about 400.7571824491.

The spelling of 64364136 in words is "sixty-four million, three hundred sixty-four thousand, one hundred thirty-six".