137351725361 has 2 divisors, whose sum is σ = 137351725362. Its totient is φ = 137351725360.

The previous prime is 137351725333. The next prime is 137351725367. The reversal of 137351725361 is 163527153731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91600654336 + 45751071025 = 302656^2 + 213895^2 .

It is a cyclic number.

It is not a de Polignac number, because 137351725361 - 2³⁴ = 120171856177 is a prime.

It is not a weakly prime, because it can be changed into another prime (137351725367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68675862680 + 68675862681.

It is an arithmetic number, because the mean of its divisors is an integer number (68675862681).

Almost surely, 2^137351725361 is an apocalyptic number.

It is an amenable number.

137351725361 is a deficient number, since it is larger than the sum of its proper divisors (1).

137351725361 is an equidigital number, since it uses as much as digits as its factorization.

137351725361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 396900, while the sum is 44.

The spelling of 137351725361 in words is "one hundred thirty-seven billion, three hundred fifty-one million, seven hundred twenty-five thousand, three hundred sixty-one".