133464352064520 has 32 divisors (see below), whose sum is σ = 400393056193920. Its totient is φ = 35590493883840.

The previous prime is 133464352064507. The next prime is 133464352064557. The reversal of 133464352064520 is 25460253464331.

It is a self number, because there is not a number n which added to its sum of digits gives 133464352064520.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556101466816 + ... + 556101467055.

It is an arithmetic number, because the mean of its divisors is an integer number (12512283006060).

Almost surely, 2^{133464352064520} is an apocalyptic number.

133464352064520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133464352064520 is an abundant number, since it is smaller than the sum of its proper divisors (266928704129400).

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

133464352064520 is a wasteful number, since it uses less digits than its factorization.

133464352064520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112202933885 (or 1112202933881 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 48.

The spelling of 133464352064520 in words is "one hundred thirty-three trillion, four hundred sixty-four billion, three hundred fifty-two million, sixty-four thousand, five hundred twenty".