137799313 has 2 divisors, whose sum is σ = 137799314. Its totient is φ = 137799312.

The previous prime is 137799307. The next prime is 137799353. The reversal of 137799313 is 313997731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79780624 + 58018689 = 8932^2 + 7617^2 .

It is a cyclic number.

It is not a de Polignac number, because 137799313 - 2⁵ = 137799281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 137799313.

It is not a weakly prime, because it can be changed into another prime (137799353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68899656 + 68899657.

It is an arithmetic number, because the mean of its divisors is an integer number (68899657).

Almost surely, 2^137799313 is an apocalyptic number.

It is an amenable number.

137799313 is a deficient number, since it is larger than the sum of its proper divisors (1).

137799313 is an equidigital number, since it uses as much as digits as its factorization.

137799313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107163, while the sum is 43.

The square root of 137799313 is about 11738.7952107531. The cubic root of 137799313 is about 516.5143012852.

The spelling of 137799313 in words is "one hundred thirty-seven million, seven hundred ninety-nine thousand, three hundred thirteen".