137830613 has 2 divisors, whose sum is σ = 137830614. Its totient is φ = 137830612.

The previous prime is 137830607. The next prime is 137830621. The reversal of 137830613 is 316038731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90193009 + 47637604 = 9497^2 + 6902^2 .

It is a cyclic number.

It is not a de Polignac number, because 137830613 - 2⁴ = 137830597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 137830613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137830663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68915306 + 68915307.

It is an arithmetic number, because the mean of its divisors is an integer number (68915307).

Almost surely, 2^137830613 is an apocalyptic number.

It is an amenable number.

137830613 is a deficient number, since it is larger than the sum of its proper divisors (1).

137830613 is an equidigital number, since it uses as much as digits as its factorization.

137830613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 137830613 is about 11740.1283212749. The cubic root of 137830613 is about 516.5534056740.

The spelling of 137830613 in words is "one hundred thirty-seven million, eight hundred thirty thousand, six hundred thirteen".