135046188 has 18 divisors (see below), whose sum is σ = 341366844. Its totient is φ = 45015384.

The previous prime is 135046157. The next prime is 135046193. The reversal of 135046188 is 881640531.

135046188 is a `hidden beast` number, since 1 + 35 + 0 + 4 + 618 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3751283 = 135046188 / (1 + 3 + 5 + 0 + 4 + 6 + 1 + 8 + 8).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1875606 + ... + 1875677.

Almost surely, 2^135046188 is an apocalyptic number.

135046188 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

135046188 is an abundant number, since it is smaller than the sum of its proper divisors (206320656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135046188 is a wasteful number, since it uses less digits than its factorization.

135046188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3751293 (or 3751288 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 135046188 is about 11620.9374836973. The cubic root of 135046188 is about 513.0512813093.

The spelling of 135046188 in words is "one hundred thirty-five million, forty-six thousand, one hundred eighty-eight".