133521125346 has 24 divisors (see below), whose sum is σ = 330623739264. Its totient is φ = 38148892920.

The previous prime is 133521125323. The next prime is 133521125347. The reversal of 133521125346 is 643521125331.

133521125346 is a `hidden beast` number, since 1 + 3 + 3 + 5 + 2 + 112 + 534 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 133521125346.

It is not an unprimeable number, because it can be changed into a prime (133521125347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 529845610 + ... + 529845861.

It is an arithmetic number, because the mean of its divisors is an integer number (13775989136).

Almost surely, 2^133521125346 is an apocalyptic number.

133521125346 is an abundant number, since it is smaller than the sum of its proper divisors (197102613918).

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

133521125346 is a wasteful number, since it uses less digits than its factorization.

133521125346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059691486 (or 1059691483 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The spelling of 133521125346 in words is "one hundred thirty-three billion, five hundred twenty-one million, one hundred twenty-five thousand, three hundred forty-six".