137250717225 has 12 divisors (see below), whose sum is σ = 226921185936. Its totient is φ = 73200382480.

The previous prime is 137250717209. The next prime is 137250717271. The reversal of 137250717225 is 522717052731.

It is not a de Polignac number, because 137250717225 - 2⁴ = 137250717209 is a prime.

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, 915004707 + ... + 915004856.

It is an arithmetic number, because the mean of its divisors is an integer number (18910098828).

Almost surely, 2^137250717225 is an apocalyptic number.

137250717225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137250717225 is a deficient number, since it is larger than the sum of its proper divisors (89670468711).

137250717225 is a wasteful number, since it uses less digits than its factorization.

137250717225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830009576 (or 1830009571 counting only the distinct ones).

The product of its (nonzero) digits is 205800, while the sum is 42.

Adding to 137250717225 its reverse (522717052731), we get a palindrome (659967769956).

The spelling of 137250717225 in words is "one hundred thirty-seven billion, two hundred fifty million, seven hundred seventeen thousand, two hundred twenty-five".