137632620646250 has 40 divisors (see below), whose sum is σ = 257984149849140. Its totient is φ = 55051860528000.

The previous prime is 137632620646121. The next prime is 137632620646343. The reversal of 137632620646250 is 52646026236731.

It is a Cunningham number, because it is equal to 11731693²+1.

It can be written as a sum of positive squares in 10 ways, for example, as 1 + 137632620646249 = 1^2 + 11731693^2 .

It is a junction number, because it is equal to n+sod(n) for n = 137632620646192 and 137632620646201.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 57952166 + ... + 60280334.

Almost surely, 2^{137632620646250} is an apocalyptic number.

137632620646250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137632620646250 is a deficient number, since it is larger than the sum of its proper divisors (120351529202890).

137632620646250 is an equidigital number, since it uses as much as digits as its factorization.

137632620646250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375484 (or 2375469 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 53.

The spelling of 137632620646250 in words is "one hundred thirty-seven trillion, six hundred thirty-two billion, six hundred twenty million, six hundred forty-six thousand, two hundred fifty".