133772664572520 has 64 divisors (see below), whose sum is σ = 403874159339520. Its totient is φ = 35445495830784.

The previous prime is 133772664572509. The next prime is 133772664572549. The reversal of 133772664572520 is 25275466277331.

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 3550211112 + ... + 3550248791.

It is an arithmetic number, because the mean of its divisors is an integer number (6310533739680).

Almost surely, 2^{133772664572520} is an apocalyptic number.

133772664572520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133772664572520 is an abundant number, since it is smaller than the sum of its proper divisors (270101494767000).

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

133772664572520 is a wasteful number, since it uses less digits than its factorization.

133772664572520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7100460074 (or 7100460070 counting only the distinct ones).

The product of its (nonzero) digits is 88905600, while the sum is 60.

The spelling of 133772664572520 in words is "one hundred thirty-three trillion, seven hundred seventy-two billion, six hundred sixty-four million, five hundred seventy-two thousand, five hundred twenty".