133456401356465 has 16 divisors (see below), whose sum is σ = 174709298347200. Its totient is φ = 97057680669120.

The previous prime is 133456401356441. The next prime is 133456401356497. The reversal of 133456401356465 is 564653104654331.

It is not a de Polignac number, because 133456401356465 - 2¹² = 133456401352369 is a prime.

It is a super-2 number, since 2×133456401356465² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133456401356465.

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, 15454799 + ... + 22489188.

It is an arithmetic number, because the mean of its divisors is an integer number (10919331146700).

Almost surely, 2^{133456401356465} is an apocalyptic number.

It is an amenable number.

133456401356465 is a deficient number, since it is larger than the sum of its proper divisors (41252896990735).

133456401356465 is a wasteful number, since it uses less digits than its factorization.

133456401356465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38007952.

The product of its (nonzero) digits is 46656000, while the sum is 56.

The spelling of 133456401356465 in words is "one hundred thirty-three trillion, four hundred fifty-six billion, four hundred one million, three hundred fifty-six thousand, four hundred sixty-five".