65625136 has 10 divisors (see below), whose sum is σ = 127148732. Its totient is φ = 32812560.

The previous prime is 65625127. The next prime is 65625137. The reversal of 65625136 is 63152656.

65625136 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 (65625137) 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 as a sum of consecutive naturals, namely, 2050770 + ... + 2050801.

Almost surely, 2^65625136 is an apocalyptic number.

It is an amenable number.

65625136 is a deficient number, since it is larger than the sum of its proper divisors (61523596).

65625136 is a wasteful number, since it uses less digits than its factorization.

65625136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4101579 (or 4101573 counting only the distinct ones).

The product of its digits is 32400, while the sum is 34.

The square root of 65625136 is about 8100.9342671077. The cubic root of 65625136 is about 403.3574401425.

The spelling of 65625136 in words is "sixty-five million, six hundred twenty-five thousand, one hundred thirty-six".