137625131 has 8 divisors (see below), whose sum is σ = 158435040. Its totient is φ = 117102528.

The previous prime is 137625127. The next prime is 137625139. The reversal of 137625131 is 131526731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137625131 - 2² = 137625127 is a prime.

It is a super-2 number, since 2×137625131² = 37881353365534322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137625094 and 137625103.

It is not an unprimeable number, because it can be changed into a prime (137625139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70796 + ... + 72713.

It is an arithmetic number, because the mean of its divisors is an integer number (19804380).

Almost surely, 2^137625131 is an apocalyptic number.

137625131 is a deficient number, since it is larger than the sum of its proper divisors (20809909).

137625131 is a wasteful number, since it uses less digits than its factorization.

137625131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143653.

The product of its digits is 3780, while the sum is 29.

The square root of 137625131 is about 11731.3737899702. The cubic root of 137625131 is about 516.2965802487.

The spelling of 137625131 in words is "one hundred thirty-seven million, six hundred twenty-five thousand, one hundred thirty-one".