133465206464655 has 24 divisors (see below), whose sum is σ = 231234393216528. Its totient is φ = 65705947796736.

The previous prime is 133465206464593. The next prime is 133465206464773. The reversal of 133465206464655 is 556464602564331.

It is not a de Polignac number, because 133465206464655 - 2¹¹ = 133465206462607 is a prime.

It is a super-2 number, since 2×133465206464655² (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 23 ways as a sum of consecutive naturals, for example, 26324495782 + ... + 26324500851.

It is an arithmetic number, because the mean of its divisors is an integer number (9634766384022).

Almost surely, 2^{133465206464655} is an apocalyptic number.

133465206464655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133465206464655 is a deficient number, since it is larger than the sum of its proper divisors (97769186751873).

133465206464655 is a wasteful number, since it uses less digits than its factorization.

133465206464655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52648996667 (or 52648996654 counting only the distinct ones).

The product of its (nonzero) digits is 186624000, while the sum is 60.

The spelling of 133465206464655 in words is "one hundred thirty-three trillion, four hundred sixty-five billion, two hundred six million, four hundred sixty-four thousand, six hundred fifty-five".