131257076950 has 48 divisors (see below), whose sum is σ = 251176758480. Its totient is φ = 51010629120.

The previous prime is 131257076941. The next prime is 131257076953. The reversal of 131257076950 is 59670752131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 131257076950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131257076953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23815 + ... + 512914.

It is an arithmetic number, because the mean of its divisors is an integer number (5232849135).

Almost surely, 2^131257076950 is an apocalyptic number.

131257076950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131257076950 is a deficient number, since it is larger than the sum of its proper divisors (119919681530).

131257076950 is a wasteful number, since it uses less digits than its factorization.

131257076950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536881 (or 536876 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 46.

The spelling of 131257076950 in words is "one hundred thirty-one billion, two hundred fifty-seven million, seventy-six thousand, nine hundred fifty".