135902546 has 8 divisors (see below), whose sum is σ = 219534924. Its totient is φ = 62724240.

The previous prime is 135902537. The next prime is 135902549. The reversal of 135902546 is 645209531.

It can be written as a sum of positive squares in 2 ways, for example, as 131446225 + 4456321 = 11465^2 + 2111^2 .

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

It is not an unprimeable number, because it can be changed into a prime (135902549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2613485 + ... + 2613536.

Almost surely, 2^135902546 is an apocalyptic number.

135902546 is a deficient number, since it is larger than the sum of its proper divisors (83632378).

135902546 is a wasteful number, since it uses less digits than its factorization.

135902546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5227036.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 135902546 is about 11657.7247351273. The cubic root of 135902546 is about 514.1334546251.

The spelling of 135902546 in words is "one hundred thirty-five million, nine hundred two thousand, five hundred forty-six".