133531351536630 has 32 divisors (see below), whose sum is σ = 320485975916544. Its totient is φ = 35607167939936.

The previous prime is 133531351536613. The next prime is 133531351536643. The reversal of 133531351536630 is 36635153135331.

It is a self number, because there is not a number n which added to its sum of digits gives 133531351536630.

It is a congruent number.

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, 73618422 + ... + 75410441.

It is an arithmetic number, because the mean of its divisors is an integer number (10015186747392).

Almost surely, 2^{133531351536630} is an apocalyptic number.

133531351536630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133531351536630 is an abundant number, since it is smaller than the sum of its proper divisors (186954624379914).

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

133531351536630 is a wasteful number, since it uses less digits than its factorization.

133531351536630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149058740.

The product of its (nonzero) digits is 3280500, while the sum is 48.

The spelling of 133531351536630 in words is "one hundred thirty-three trillion, five hundred thirty-one billion, three hundred fifty-one million, five hundred thirty-six thousand, six hundred thirty".