131192137 has 2 divisors, whose sum is σ = 131192138. Its totient is φ = 131192136.

The previous prime is 131192123. The next prime is 131192147. The reversal of 131192137 is 731291131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120538441 + 10653696 = 10979^2 + 3264^2 .

It is a cyclic number.

It is not a de Polignac number, because 131192137 - 2¹¹ = 131190089 is a prime.

It is a super-2 number, since 2×131192137² = 34422753621253538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131192147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65596068 + 65596069.

It is an arithmetic number, because the mean of its divisors is an integer number (65596069).

Almost surely, 2^131192137 is an apocalyptic number.

It is an amenable number.

131192137 is a deficient number, since it is larger than the sum of its proper divisors (1).

131192137 is an equidigital number, since it uses as much as digits as its factorization.

131192137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1134, while the sum is 28.

The square root of 131192137 is about 11453.9136106398. The cubic root of 131192137 is about 508.1234858524.

The spelling of 131192137 in words is "one hundred thirty-one million, one hundred ninety-two thousand, one hundred thirty-seven".