133761752664 has 64 divisors (see below), whose sum is σ = 354146774400. Its totient is φ = 41955992064.

The previous prime is 133761752659. The next prime is 133761752737. The reversal of 133761752664 is 466257167331.

It is a super-2 number, since 2×133761752664² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2167467 + ... + 2228325.

It is an arithmetic number, because the mean of its divisors is an integer number (5533543350).

Almost surely, 2^133761752664 is an apocalyptic number.

It is an amenable number.

133761752664 is an abundant number, since it is smaller than the sum of its proper divisors (220385021736).

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

133761752664 is a wasteful number, since it uses less digits than its factorization.

133761752664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66272 (or 66268 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 51.

The spelling of 133761752664 in words is "one hundred thirty-three billion, seven hundred sixty-one million, seven hundred fifty-two thousand, six hundred sixty-four".