137557172 has 24 divisors (see below), whose sum is σ = 247025856.
Its totient is φ = 66987648.
The previous prime is 137557171. The next prime is 137557177. The reversal of 137557172 is 271755731.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (137557171) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73553 + ... + 75399.
It is an arithmetic number, because the mean of its divisors is an integer number (10292744).
Almost surely, 2137557172 is an apocalyptic number.
It is an amenable number.
137557172 is a deficient number, since it is larger than the sum of its proper divisors (109468684).
137557172 is a wasteful number, since it uses less digits than its factorization.
137557172 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2327 (or 2325 counting only the distinct ones).
The product of its digits is 51450, while the sum is 38.
The square root of 137557172 is about 11728.4769684729.
The cubic root of 137557172 is about 516.2115842020.
The spelling of 137557172 in words is "one hundred thirty-seven million, five hundred fifty-seven thousand, one hundred seventy-two".