137326597 has 2 divisors, whose sum is σ = 137326598. Its totient is φ = 137326596.

The previous prime is 137326591. The next prime is 137326627. The reversal of 137326597 is 795623731.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80263681 + 57062916 = 8959^2 + 7554^2 .

It is a cyclic number.

It is not a de Polignac number, because 137326597 - 2²⁷ = 3108869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137326591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68663298 + 68663299.

It is an arithmetic number, because the mean of its divisors is an integer number (68663299).

Almost surely, 2^137326597 is an apocalyptic number.

It is an amenable number.

137326597 is a deficient number, since it is larger than the sum of its proper divisors (1).

137326597 is an equidigital number, since it uses as much as digits as its factorization.

137326597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 238140, while the sum is 43.

The square root of 137326597 is about 11718.6431381794. The cubic root of 137326597 is about 515.9229961910.

The spelling of 137326597 in words is "one hundred thirty-seven million, three hundred twenty-six thousand, five hundred ninety-seven".