137638750025 has 12 divisors (see below), whose sum is σ = 195053771712. Its totient is φ = 94380857040.

The previous prime is 137638750013. The next prime is 137638750043. The reversal of 137638750025 is 520057836731.

It is not a de Polignac number, because 137638750025 - 2¹⁶ = 137638684489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 393253397 + ... + 393253746.

It is an arithmetic number, because the mean of its divisors is an integer number (16254480976).

Almost surely, 2^137638750025 is an apocalyptic number.

It is an amenable number.

137638750025 is a deficient number, since it is larger than the sum of its proper divisors (57415021687).

137638750025 is an equidigital number, since it uses as much as digits as its factorization.

137638750025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786507160 (or 786507155 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 137638750025 in words is "one hundred thirty-seven billion, six hundred thirty-eight million, seven hundred fifty thousand, twenty-five".