137983597 has 2 divisors, whose sum is σ = 137983598. Its totient is φ = 137983596.

The previous prime is 137983579. The next prime is 137983607. The reversal of 137983597 is 795389731.

It is a happy number.

Together with previous prime (137983579) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137616361 + 367236 = 11731^2 + 606^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137983597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137983507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68991798 + 68991799.

It is an arithmetic number, because the mean of its divisors is an integer number (68991799).

Almost surely, 2^137983597 is an apocalyptic number.

It is an amenable number.

137983597 is a deficient number, since it is larger than the sum of its proper divisors (1).

137983597 is an equidigital number, since it uses as much as digits as its factorization.

137983597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1428840, while the sum is 52.

The square root of 137983597 is about 11746.6419456796. The cubic root of 137983597 is about 516.7444497993.

The spelling of 137983597 in words is "one hundred thirty-seven million, nine hundred eighty-three thousand, five hundred ninety-seven".