131938812502 has 16 divisors (see below), whose sum is σ = 227444405760. Its totient is φ = 56229309288.

The previous prime is 131938812491. The next prime is 131938812517. The reversal of 131938812502 is 205218839131.

It is a happy number.

It is a congruent number.

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, 26322078 + ... + 26327089.

It is an arithmetic number, because the mean of its divisors is an integer number (14215275360).

Almost surely, 2^131938812502 is an apocalyptic number.

131938812502 is a deficient number, since it is larger than the sum of its proper divisors (95505593258).

131938812502 is a wasteful number, since it uses less digits than its factorization.

131938812502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52649355.

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 131938812502 in words is "one hundred thirty-one billion, nine hundred thirty-eight million, eight hundred twelve thousand, five hundred two".