131072373 has 18 divisors (see below), whose sum is σ = 196091714. Its totient is φ = 84363552.

The previous prime is 131072369. The next prime is 131072387. The reversal of 131072373 is 373270131.

It can be written as a sum of positive squares in 3 ways, for example, as 43125489 + 87946884 = 6567^2 + 9378^2 .

It is not a de Polignac number, because 131072373 - 2² = 131072369 is a prime.

It is a super-2 number, since 2×131072373² = 34359933927702258, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131072353) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1090 + ... + 16227.

Almost surely, 2^131072373 is an apocalyptic number.

It is an amenable number.

131072373 is a deficient number, since it is larger than the sum of its proper divisors (65019341).

131072373 is a wasteful number, since it uses less digits than its factorization.

131072373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17381 (or 17349 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 27.

The square root of 131072373 is about 11448.6843348919. The cubic root of 131072373 is about 507.9688184821.

The spelling of 131072373 in words is "one hundred thirty-one million, seventy-two thousand, three hundred seventy-three".