137378065597 has 2 divisors, whose sum is σ = 137378065598. Its totient is φ = 137378065596.

The previous prime is 137378065571. The next prime is 137378065613. The reversal of 137378065597 is 795560873731.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105332053401 + 32046012196 = 324549^2 + 179014^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137378065597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137378065537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68689032798 + 68689032799.

It is an arithmetic number, because the mean of its divisors is an integer number (68689032799).

Almost surely, 2^137378065597 is an apocalyptic number.

It is an amenable number.

137378065597 is a deficient number, since it is larger than the sum of its proper divisors (1).

137378065597 is an equidigital number, since it uses as much as digits as its factorization.

137378065597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33339600, while the sum is 61.

The spelling of 137378065597 in words is "one hundred thirty-seven billion, three hundred seventy-eight million, sixty-five thousand, five hundred ninety-seven".