131938812501 has 8 divisors (see below), whose sum is σ = 178037916000. Its totient is φ = 86899458672.

The previous prime is 131938812491. The next prime is 131938812517. The reversal of 131938812501 is 105218839131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131938812501 - 2¹¹ = 131938810453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131938812541) by changing a digit.

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, 264937126 + ... + 264937623.

It is an arithmetic number, because the mean of its divisors is an integer number (22254739500).

Almost surely, 2^131938812501 is an apocalyptic number.

It is an amenable number.

131938812501 is a deficient number, since it is larger than the sum of its proper divisors (46099103499).

131938812501 is an equidigital number, since it uses as much as digits as its factorization.

131938812501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529874835.

The product of its (nonzero) digits is 51840, while the sum is 42.

The spelling of 131938812501 in words is "one hundred thirty-one billion, nine hundred thirty-eight million, eight hundred twelve thousand, five hundred one".