135717015 has 24 divisors (see below), whose sum is σ = 252601200. Its totient is φ = 62041728.

The previous prime is 135716989. The next prime is 135717041. The reversal of 135717015 is 510717531.

It is an interprime number because it is at equal distance from previous prime (135716989) and next prime (135717041).

It is not a de Polignac number, because 135717015 - 2⁵ = 135716983 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, 91590 + ... + 93059.

It is an arithmetic number, because the mean of its divisors is an integer number (10525050).

Almost surely, 2^135717015 is an apocalyptic number.

135717015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135717015 is a deficient number, since it is larger than the sum of its proper divisors (116884185).

135717015 is a wasteful number, since it uses less digits than its factorization.

135717015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184671 (or 184664 counting only the distinct ones).

The product of its (nonzero) digits is 3675, while the sum is 30.

The square root of 135717015 is about 11649.7645898962. The cubic root of 135717015 is about 513.8993870604.

The spelling of 135717015 in words is "one hundred thirty-five million, seven hundred seventeen thousand, fifteen".