64636132 has 24 divisors (see below), whose sum is σ = 124558560. Its totient is φ = 29103360.

The previous prime is 64636129. The next prime is 64636133. The reversal of 64636132 is 23163646.

64636132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 64636094 and 64636103.

It is not an unprimeable number, because it can be changed into a prime (64636133) 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 7 ways as a sum of consecutive naturals, for example, 2157 + ... + 11572.

It is an arithmetic number, because the mean of its divisors is an integer number (5189940).

Almost surely, 2^64636132 is an apocalyptic number.

It is an amenable number.

64636132 is a deficient number, since it is larger than the sum of its proper divisors (59922428).

64636132 is a wasteful number, since it uses less digits than its factorization.

64636132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13851 (or 13849 counting only the distinct ones).

The product of its digits is 15552, while the sum is 31.

The square root of 64636132 is about 8039.6599430573. The cubic root of 64636132 is about 401.3209082023.

Adding to 64636132 its reverse (23163646), we get a palindrome (87799778).

The spelling of 64636132 in words is "sixty-four million, six hundred thirty-six thousand, one hundred thirty-two".