137502525389 has 2 divisors, whose sum is σ = 137502525390. Its totient is φ = 137502525388.

The previous prime is 137502525379. The next prime is 137502525403. The reversal of 137502525389 is 983525205731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131285202889 + 6217322500 = 362333^2 + 78850^2 .

It is a cyclic number.

It is not a de Polignac number, because 137502525389 - 2⁴ = 137502525373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137502525379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68751262694 + 68751262695.

It is an arithmetic number, because the mean of its divisors is an integer number (68751262695).

Almost surely, 2^137502525389 is an apocalyptic number.

It is an amenable number.

137502525389 is a deficient number, since it is larger than the sum of its proper divisors (1).

137502525389 is an equidigital number, since it uses as much as digits as its factorization.

137502525389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268000, while the sum is 50.

The spelling of 137502525389 in words is "one hundred thirty-seven billion, five hundred two million, five hundred twenty-five thousand, three hundred eighty-nine".