65133156 has 24 divisors (see below), whose sum is σ = 165793824. Its totient is φ = 19737280.

The previous prime is 65133149. The next prime is 65133157.

65133156 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (65133157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246585 + ... + 246848.

It is an arithmetic number, because the mean of its divisors is an integer number (6908076).

Almost surely, 2^65133156 is an apocalyptic number.

65133156 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

65133156 is an abundant number, since it is smaller than the sum of its proper divisors (100660668).

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

65133156 is a wasteful number, since it uses less digits than its factorization.

65133156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493451 (or 493449 counting only the distinct ones).

The product of its digits is 8100, while the sum is 30.

The square root of 65133156 is about 8070.5115079529. The cubic root of 65133156 is about 402.3469443651.

It can be divided in two parts, 6513 and 3156, that added together give a palindrome (9669).

The spelling of 65133156 in words is "sixty-five million, one hundred thirty-three thousand, one hundred fifty-six".