131132537 has 2 divisors, whose sum is σ = 131132538. Its totient is φ = 131132536.

The previous prime is 131132501. The next prime is 131132549. The reversal of 131132537 is 735231131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128504896 + 2627641 = 11336^2 + 1621^2 .

It is an emirp because it is prime and its reverse (735231131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131132537 - 2¹⁸ = 130870393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131132557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65566268 + 65566269.

It is an arithmetic number, because the mean of its divisors is an integer number (65566269).

Almost surely, 2^131132537 is an apocalyptic number.

It is an amenable number.

131132537 is a deficient number, since it is larger than the sum of its proper divisors (1).

131132537 is an equidigital number, since it uses as much as digits as its factorization.

131132537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1890, while the sum is 26.

The square root of 131132537 is about 11451.3115842684. The cubic root of 131132537 is about 508.0465281231.

Adding to 131132537 its reverse (735231131), we get a palindrome (866363668).

The spelling of 131132537 in words is "one hundred thirty-one million, one hundred thirty-two thousand, five hundred thirty-seven".