133355077631 has 6 divisors (see below), whose sum is σ = 135375163560. Its totient is φ = 131364698916.

The previous prime is 133355077553. The next prime is 133355077679. The reversal of 133355077631 is 136770553331.

It is not a de Polignac number, because 133355077631 - 2²² = 133350883327 is a prime.

It is a super-2 number, since 2×133355077631² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133355077931) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14849051 + ... + 14858028.

It is an arithmetic number, because the mean of its divisors is an integer number (22562527260).

Almost surely, 2^133355077631 is an apocalyptic number.

133355077631 is a deficient number, since it is larger than the sum of its proper divisors (2020085929).

133355077631 is an frugal number, since it uses more digits than its factorization.

133355077631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29707213 (or 29707146 counting only the distinct ones).

The product of its (nonzero) digits is 595350, while the sum is 44.

The spelling of 133355077631 in words is "one hundred thirty-three billion, three hundred fifty-five million, seventy-seven thousand, six hundred thirty-one".