137248972 has 12 divisors (see below), whose sum is σ = 274498000. Its totient is φ = 58820976.

The previous prime is 137248957. The next prime is 137248999. The reversal of 137248972 is 279842731.

137248972 is an admirable number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2450847 + ... + 2450902.

Almost surely, 2^137248972 is an apocalyptic number.

It is an amenable number.

137248972 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137248972 is a wasteful number, since it uses less digits than its factorization.

137248972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4901760 (or 4901758 counting only the distinct ones).

The product of its digits is 169344, while the sum is 43.

The square root of 137248972 is about 11715.3306398070. The cubic root of 137248972 is about 515.8257679488.

The spelling of 137248972 in words is "one hundred thirty-seven million, two hundred forty-eight thousand, nine hundred seventy-two".