137352225 has 24 divisors (see below), whose sum is σ = 227853472. Its totient is φ = 73008000.

The previous prime is 137352199. The next prime is 137352239. The reversal of 137352225 is 522253731.

It is a happy number.

It is not a de Polignac number, because 137352225 - 2¹⁴ = 137335841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137352192 and 137352201.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20550 + ... + 26400.

Almost surely, 2^137352225 is an apocalyptic number.

137352225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137352225 is a deficient number, since it is larger than the sum of its proper divisors (90501247).

137352225 is a wasteful number, since it uses less digits than its factorization.

137352225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6177 (or 6172 counting only the distinct ones).

The product of its digits is 12600, while the sum is 30.

The square root of 137352225 is about 11719.7365584726. The cubic root of 137352225 is about 515.9550881829.

The spelling of 137352225 in words is "one hundred thirty-seven million, three hundred fifty-two thousand, two hundred twenty-five".