137528925 has 24 divisors (see below), whose sum is σ = 230131104. Its totient is φ = 72461760.

The previous prime is 137528903. The next prime is 137528959. The reversal of 137528925 is 529825731.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-137528925 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, 4822 + ... + 17271.

It is an arithmetic number, because the mean of its divisors is an integer number (9588796).

Almost surely, 2^137528925 is an apocalyptic number.

137528925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137528925 is a deficient number, since it is larger than the sum of its proper divisors (92602179).

137528925 is a wasteful number, since it uses less digits than its factorization.

137528925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22189 (or 22184 counting only the distinct ones).

The product of its digits is 151200, while the sum is 42.

The square root of 137528925 is about 11727.2727008457. The cubic root of 137528925 is about 516.1762475571.

The spelling of 137528925 in words is "one hundred thirty-seven million, five hundred twenty-eight thousand, nine hundred twenty-five".