137130737 has 2 divisors, whose sum is σ = 137130738. Its totient is φ = 137130736.

The previous prime is 137130727. The next prime is 137130757. The reversal of 137130737 is 737031731.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86564416 + 50566321 = 9304^2 + 7111^2 .

It is a cyclic number.

It is not a de Polignac number, because 137130737 - 2⁸ = 137130481 is a prime.

It is not a weakly prime, because it can be changed into another prime (137130727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68565368 + 68565369.

It is an arithmetic number, because the mean of its divisors is an integer number (68565369).

Almost surely, 2^137130737 is an apocalyptic number.

It is an amenable number.

137130737 is a deficient number, since it is larger than the sum of its proper divisors (1).

137130737 is an equidigital number, since it uses as much as digits as its factorization.

137130737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9261, while the sum is 32.

The square root of 137130737 is about 11710.2833868357. The cubic root of 137130737 is about 515.6776036788.

The spelling of 137130737 in words is "one hundred thirty-seven million, one hundred thirty thousand, seven hundred thirty-seven".