137152139 has 2 divisors, whose sum is σ = 137152140. Its totient is φ = 137152138.

The previous prime is 137152129. The next prime is 137152159. The reversal of 137152139 is 931251731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137152139 - 2⁴ = 137152123 is a prime.

It is not a weakly prime, because it can be changed into another prime (137152129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68576069 + 68576070.

It is an arithmetic number, because the mean of its divisors is an integer number (68576070).

Almost surely, 2^137152139 is an apocalyptic number.

137152139 is a deficient number, since it is larger than the sum of its proper divisors (1).

137152139 is an equidigital number, since it uses as much as digits as its factorization.

137152139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5670, while the sum is 32.

The square root of 137152139 is about 11711.1971633988. The cubic root of 137152139 is about 515.7044295585.

The spelling of 137152139 in words is "one hundred thirty-seven million, one hundred fifty-two thousand, one hundred thirty-nine".