137650025515 has 8 divisors (see below), whose sum is σ = 173873716560. Its totient is φ = 104324229792.

The previous prime is 137650025503. The next prime is 137650025519. The reversal of 137650025515 is 515520056731.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137650025515 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137650025519) 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, 724473724 + ... + 724473913.

It is an arithmetic number, because the mean of its divisors is an integer number (21734214570).

Almost surely, 2^137650025515 is an apocalyptic number.

137650025515 is a deficient number, since it is larger than the sum of its proper divisors (36223691045).

137650025515 is a wasteful number, since it uses less digits than its factorization.

137650025515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448947661.

The product of its (nonzero) digits is 157500, while the sum is 40.

The spelling of 137650025515 in words is "one hundred thirty-seven billion, six hundred fifty million, twenty-five thousand, five hundred fifteen".