131293973157 has 8 divisors (see below), whose sum is σ = 179789945376. Its totient is φ = 85163658192.

The previous prime is 131293973141. The next prime is 131293973221. The reversal of 131293973157 is 751379392131.

It is a happy number.

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

It is not a de Polignac number, because 131293973157 - 2⁴ = 131293973141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131293973357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591414183 + ... + 591414404.

It is an arithmetic number, because the mean of its divisors is an integer number (22473743172).

Almost surely, 2^131293973157 is an apocalyptic number.

It is an amenable number.

131293973157 is a deficient number, since it is larger than the sum of its proper divisors (48495972219).

131293973157 is a wasteful number, since it uses less digits than its factorization.

131293973157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182828627.

The product of its digits is 1071630, while the sum is 51.

The spelling of 131293973157 in words is "one hundred thirty-one billion, two hundred ninety-three million, nine hundred seventy-three thousand, one hundred fifty-seven".