131628037 has 2 divisors, whose sum is σ = 131628038. Its totient is φ = 131628036.

The previous prime is 131628023. The next prime is 131628041. The reversal of 131628037 is 730826131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113870241 + 17757796 = 10671^2 + 4214^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131628037 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131628047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65814018 + 65814019.

It is an arithmetic number, because the mean of its divisors is an integer number (65814019).

Almost surely, 2^131628037 is an apocalyptic number.

It is an amenable number.

131628037 is a deficient number, since it is larger than the sum of its proper divisors (1).

131628037 is an equidigital number, since it uses as much as digits as its factorization.

131628037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 131628037 is about 11472.9262614208. The cubic root of 131628037 is about 508.6856287142.

The spelling of 131628037 in words is "one hundred thirty-one million, six hundred twenty-eight thousand, thirty-seven".