135507515 has 32 divisors (see below), whose sum is σ = 193536000. Its totient is φ = 89781120.

The previous prime is 135507499. The next prime is 135507523. The reversal of 135507515 is 515705531.

135507515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 135507515 - 2⁴ = 135507499 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55286 + ... + 57684.

It is an arithmetic number, because the mean of its divisors is an integer number (6048000).

Almost surely, 2^135507515 is an apocalyptic number.

135507515 is a deficient number, since it is larger than the sum of its proper divisors (58028485).

135507515 is a wasteful number, since it uses less digits than its factorization.

135507515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507.

The product of its (nonzero) digits is 13125, while the sum is 32.

The square root of 135507515 is about 11640.7695192371. The cubic root of 135507515 is about 513.6348234100.

The spelling of 135507515 in words is "one hundred thirty-five million, five hundred seven thousand, five hundred fifteen".