131092057 has 4 divisors (see below), whose sum is σ = 132938496. Its totient is φ = 129245620.

The previous prime is 131092043. The next prime is 131092063. The reversal of 131092057 is 750290131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 750290131 = 73 ⋅10277947.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131092057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131092007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 923113 + ... + 923254.

It is an arithmetic number, because the mean of its divisors is an integer number (33234624).

Almost surely, 2^131092057 is an apocalyptic number.

It is an amenable number.

131092057 is a deficient number, since it is larger than the sum of its proper divisors (1846439).

131092057 is an equidigital number, since it uses as much as digits as its factorization.

131092057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846438.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 131092057 is about 11449.5439647175. The cubic root of 131092057 is about 507.9942455483.

The spelling of 131092057 in words is "one hundred thirty-one million, ninety-two thousand, fifty-seven".