133456551524156 has 24 divisors (see below), whose sum is σ = 266917387355136. Its totient is φ = 57194746873200.

The previous prime is 133456551524147. The next prime is 133456551524159. The reversal of 133456551524156 is 651425155654331.

It is a super-2 number, since 2×133456551524156² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133456551524159) 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, 36475736 + ... + 39967391.

It is an arithmetic number, because the mean of its divisors is an integer number (11121557806464).

Almost surely, 2^{133456551524156} is an apocalyptic number.

It is an amenable number.

133456551524156 is an abundant number, since it is smaller than the sum of its proper divisors (133460835830980).

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

133456551524156 is a wasteful number, since it uses less digits than its factorization.

133456551524156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76505489 (or 76505487 counting only the distinct ones).

The product of its digits is 32400000, while the sum is 56.

The spelling of 133456551524156 in words is "one hundred thirty-three trillion, four hundred fifty-six billion, five hundred fifty-one million, five hundred twenty-four thousand, one hundred fifty-six".