135276388 has 36 divisors (see below), whose sum is σ = 259540848. Its totient is φ = 61657440.

The previous prime is 135276377. The next prime is 135276391. The reversal of 135276388 is 883672531.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54903 + ... + 57313.

It is an arithmetic number, because the mean of its divisors is an integer number (7209468).

Almost surely, 2^135276388 is an apocalyptic number.

It is an amenable number.

135276388 is a deficient number, since it is larger than the sum of its proper divisors (124264460).

135276388 is a wasteful number, since it uses less digits than its factorization.

135276388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2524 (or 2509 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 135276388 is about 11630.8378030132. The cubic root of 135276388 is about 513.3426319037.

The spelling of 135276388 in words is "one hundred thirty-five million, two hundred seventy-six thousand, three hundred eighty-eight".