64233136 has 20 divisors (see below), whose sum is σ = 135765864. Its totient is φ = 29196800.

The previous prime is 64233133. The next prime is 64233137. The reversal of 64233136 is 63133246.

64233136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (64233131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182305 + ... + 182656.

Almost surely, 2^64233136 is an apocalyptic number.

It is an amenable number.

64233136 is an abundant number, since it is smaller than the sum of its proper divisors (71532728).

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

64233136 is a wasteful number, since it uses less digits than its factorization.

64233136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364980 (or 364974 counting only the distinct ones).

The product of its digits is 7776, while the sum is 28.

The square root of 64233136 is about 8014.5577544865. The cubic root of 64233136 is about 400.4851114294.

It can be divided in two parts, 6423 and 3136, that added together give a palindrome (9559).

The spelling of 64233136 in words is "sixty-four million, two hundred thirty-three thousand, one hundred thirty-six".