137880225 has 120 divisors (see below), whose sum is σ = 298159488. Its totient is φ = 61689600.

The previous prime is 137880221. The next prime is 137880257. The reversal of 137880225 is 522088731.

It is not a de Polignac number, because 137880225 - 2² = 137880221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 137880225.

It is not an unprimeable number, because it can be changed into a prime (137880221) 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 119 ways as a sum of consecutive naturals, for example, 1006357 + ... + 1006493.

Almost surely, 2^137880225 is an apocalyptic number.

137880225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137880225 is an abundant number, since it is smaller than the sum of its proper divisors (160279263).

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

137880225 is a wasteful number, since it uses less digits than its factorization.

137880225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 137880225 is about 11742.2410552671. The cubic root of 137880225 is about 516.6153758773.

The spelling of 137880225 in words is "one hundred thirty-seven million, eight hundred eighty thousand, two hundred twenty-five".