137425 has 12 divisors (see below), whose sum is σ = 178560. Its totient is φ = 104720.

The previous prime is 137413. The next prime is 137437. The reversal of 137425 is 524731.

It is an interprime number because it is at equal distance from previous prime (137413) and next prime (137437).

It is not a de Polignac number, because 137425 - 2⁵ = 137393 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 137396 and 137405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 456 + ... + 694.

It is an arithmetic number, because the mean of its divisors is an integer number (14880).

2¹³⁷⁴²⁵ is an apocalyptic number.

It is an amenable number.

137425 is a deficient number, since it is larger than the sum of its proper divisors (41135).

137425 is a wasteful number, since it uses less digits than its factorization.

137425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 267 counting only the distinct ones).

The product of its digits is 840, while the sum is 22.

The square root of 137425 is about 370.7087805812. The cubic root of 137425 is about 51.6046197014.

The spelling of 137425 in words is "one hundred thirty-seven thousand, four hundred twenty-five".