133158831852 has 24 divisors (see below), whose sum is σ = 311445489600. Its totient is φ = 44280341776.

The previous prime is 133158831847. The next prime is 133158831877. The reversal of 133158831852 is 258138851331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13236702 + ... + 13246757.

It is an arithmetic number, because the mean of its divisors is an integer number (12976895400).

Almost surely, 2^133158831852 is an apocalyptic number.

133158831852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133158831852 is an abundant number, since it is smaller than the sum of its proper divisors (178286657748).

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

133158831852 is a wasteful number, since it uses less digits than its factorization.

133158831852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26483885 (or 26483883 counting only the distinct ones).

The product of its digits is 691200, while the sum is 48.

The spelling of 133158831852 in words is "one hundred thirty-three billion, one hundred fifty-eight million, eight hundred thirty-one thousand, eight hundred fifty-two".