135987304 has 16 divisors (see below), whose sum is σ = 255312000. Its totient is φ = 67904112.

The previous prime is 135987289. The next prime is 135987317. The reversal of 135987304 is 403789531.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4504 + ... + 17095.

It is an arithmetic number, because the mean of its divisors is an integer number (15957000).

Almost surely, 2^135987304 is an apocalyptic number.

It is an amenable number.

135987304 is a deficient number, since it is larger than the sum of its proper divisors (119324696).

135987304 is a wasteful number, since it uses less digits than its factorization.

135987304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22392 (or 22388 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 135987304 is about 11661.3594404769. The cubic root of 135987304 is about 514.2403151871.

It can be divided in two parts, 13598 and 7304, that added together give a palindrome (20902).

The spelling of 135987304 in words is "one hundred thirty-five million, nine hundred eighty-seven thousand, three hundred four".