137408325 has 24 divisors (see below), whose sum is σ = 237062208. Its totient is φ = 70097280.

The previous prime is 137408309. The next prime is 137408347. The reversal of 137408325 is 523804731.

It is not a de Polignac number, because 137408325 - 2⁴ = 137408309 is a prime.

It is a congruent number.

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, 38104 + ... + 41553.

It is an arithmetic number, because the mean of its divisors is an integer number (9877592).

Almost surely, 2^137408325 is an apocalyptic number.

137408325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137408325 is a deficient number, since it is larger than the sum of its proper divisors (99653883).

137408325 is a wasteful number, since it uses less digits than its factorization.

137408325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79693 (or 79688 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 137408325 is about 11722.1297126418. The cubic root of 137408325 is about 516.0253240080.

The spelling of 137408325 in words is "one hundred thirty-seven million, four hundred eight thousand, three hundred twenty-five".