137665007 has 2 divisors, whose sum is σ = 137665008. Its totient is φ = 137665006.

The previous prime is 137664971. The next prime is 137665027. The reversal of 137665007 is 700566731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137665007 - 2¹⁰ = 137663983 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 (137665027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68832503 + 68832504.

It is an arithmetic number, because the mean of its divisors is an integer number (68832504).

Almost surely, 2^137665007 is an apocalyptic number.

137665007 is a deficient number, since it is larger than the sum of its proper divisors (1).

137665007 is an equidigital number, since it uses as much as digits as its factorization.

137665007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 137665007 is about 11733.0732120788. The cubic root of 137665007 is about 516.3464399756.

The spelling of 137665007 in words is "one hundred thirty-seven million, six hundred sixty-five thousand, seven".