135147188 has 24 divisors (see below), whose sum is σ = 259248864. Its totient is φ = 61135200.

The previous prime is 135147179. The next prime is 135147251. The reversal of 135147188 is 881741531.

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 7 ways as a sum of consecutive naturals, for example, 2006 + ... + 16562.

It is an arithmetic number, because the mean of its divisors is an integer number (10802036).

Almost surely, 2^135147188 is an apocalyptic number.

It is an amenable number.

135147188 is a deficient number, since it is larger than the sum of its proper divisors (124101676).

135147188 is a wasteful number, since it uses less digits than its factorization.

135147188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14783 (or 14781 counting only the distinct ones).

The product of its digits is 26880, while the sum is 38.

The square root of 135147188 is about 11625.2822761428. The cubic root of 135147188 is about 513.1791517991.

It can be divided in two parts, 13514 and 7188, that added together give a palindrome (20702).

The spelling of 135147188 in words is "one hundred thirty-five million, one hundred forty-seven thousand, one hundred eighty-eight".