133456401315156 has 48 divisors (see below), whose sum is σ = 316424239424384. Its totient is φ = 43772973319296.

The previous prime is 133456401315119. The next prime is 133456401315197. The reversal of 133456401315156 is 651513104654331.

It is a super-2 number, since 2×133456401315156² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343673575 + ... + 344061678.

Almost surely, 2^{133456401315156} is an apocalyptic number.

It is an amenable number.

133456401315156 is an abundant number, since it is smaller than the sum of its proper divisors (182967838109228).

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

133456401315156 is a wasteful number, since it uses less digits than its factorization.

133456401315156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687735520 (or 687735518 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 48.

Adding to 133456401315156 its reverse (651513104654331), we get a palindrome (784969505969487).

The spelling of 133456401315156 in words is "one hundred thirty-three trillion, four hundred fifty-six billion, four hundred one million, three hundred fifteen thousand, one hundred fifty-six".