137641507 has 2 divisors, whose sum is σ = 137641508. Its totient is φ = 137641506.

The previous prime is 137641489. The next prime is 137641541. The reversal of 137641507 is 705146731.

It is an a-pointer prime, because the next prime (137641541) can be obtained adding 137641507 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137641507 - 2⁷ = 137641379 is a prime.

It is not a weakly prime, because it can be changed into another prime (137641597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68820753 + 68820754.

It is an arithmetic number, because the mean of its divisors is an integer number (68820754).

Almost surely, 2^137641507 is an apocalyptic number.

137641507 is a deficient number, since it is larger than the sum of its proper divisors (1).

137641507 is an equidigital number, since it uses as much as digits as its factorization.

137641507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 137641507 is about 11732.0717266815. The cubic root of 137641507 is about 516.3170574619.

The spelling of 137641507 in words is "one hundred thirty-seven million, six hundred forty-one thousand, five hundred seven".