135311284 has 12 divisors (see below), whose sum is σ = 237787200. Its totient is φ = 67372088.

The previous prime is 135311263. The next prime is 135311299. The reversal of 135311284 is 482113531.

It is a happy number.

It is a congruent number.

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, 69814 + ... + 71725.

It is an arithmetic number, because the mean of its divisors is an integer number (19815600).

Almost surely, 2^135311284 is an apocalyptic number.

It is an amenable number.

135311284 is a deficient number, since it is larger than the sum of its proper divisors (102475916).

135311284 is a wasteful number, since it uses less digits than its factorization.

135311284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141782 (or 141780 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 135311284 is about 11632.3378561663. The cubic root of 135311284 is about 513.3867688607.

The spelling of 135311284 in words is "one hundred thirty-five million, three hundred eleven thousand, two hundred eighty-four".