137528315 has 8 divisors (see below), whose sum is σ = 165097008. Its totient is φ = 109980640.

The previous prime is 137528299. The next prime is 137528329. The reversal of 137528315 is 513825731.

137528315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 137528315 - 2⁴ = 137528299 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22100 + ... + 27630.

It is an arithmetic number, because the mean of its divisors is an integer number (20637126).

Almost surely, 2^137528315 is an apocalyptic number.

137528315 is a deficient number, since it is larger than the sum of its proper divisors (27568693).

137528315 is an equidigital number, since it uses as much as digits as its factorization.

137528315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10509.

The product of its digits is 25200, while the sum is 35.

The square root of 137528315 is about 11727.2466930648. The cubic root of 137528315 is about 516.1754844013.

The spelling of 137528315 in words is "one hundred thirty-seven million, five hundred twenty-eight thousand, three hundred fifteen".