137330839 has 2 divisors, whose sum is σ = 137330840. Its totient is φ = 137330838.

The previous prime is 137330833. The next prime is 137330849. The reversal of 137330839 is 938033731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137330839 - 2²⁷ = 3113111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 137330798 and 137330807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137330833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68665419 + 68665420.

It is an arithmetic number, because the mean of its divisors is an integer number (68665420).

Almost surely, 2^137330839 is an apocalyptic number.

137330839 is a deficient number, since it is larger than the sum of its proper divisors (1).

137330839 is an equidigital number, since it uses as much as digits as its factorization.

137330839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 137330839 is about 11718.8241304322. The cubic root of 137330839 is about 515.9283084001.

The spelling of 137330839 in words is "one hundred thirty-seven million, three hundred thirty thousand, eight hundred thirty-nine".