730131137 has 2 divisors, whose sum is σ = 730131138. Its totient is φ = 730131136.

The previous prime is 730131133. The next prime is 730131167. The reversal of 730131137 is 731131037.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 404653456 + 325477681 = 20116^2 + 18041^2 .

It is a cyclic number.

It is not a de Polignac number, because 730131137 - 2² = 730131133 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (730131133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365065568 + 365065569.

It is an arithmetic number, because the mean of its divisors is an integer number (365065569).

Almost surely, 2^730131137 is an apocalyptic number.

It is an amenable number.

730131137 is a deficient number, since it is larger than the sum of its proper divisors (1).

730131137 is an equidigital number, since it uses as much as digits as its factorization.

730131137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1323, while the sum is 26.

The square root of 730131137 is about 27020.9388622971. The cubic root of 730131137 is about 900.4652479297.

The spelling of 730131137 in words is "seven hundred thirty million, one hundred thirty-one thousand, one hundred thirty-seven".