135049988 has 24 divisors (see below), whose sum is σ = 242694144. Its totient is φ = 65724800.

The previous prime is 135049979. The next prime is 135050017. The reversal of 135049988 is 889940531.

It is a Harshad number since it is a multiple of its sum of digits (47).

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, 34028 + ... + 37788.

It is an arithmetic number, because the mean of its divisors is an integer number (10112256).

Almost surely, 2^135049988 is an apocalyptic number.

It is an amenable number.

135049988 is a deficient number, since it is larger than the sum of its proper divisors (107644156).

135049988 is a wasteful number, since it uses less digits than its factorization.

135049988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4003 (or 4001 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 135049988 is about 11621.1009805440. The cubic root of 135049988 is about 513.0560934322.

The spelling of 135049988 in words is "one hundred thirty-five million, forty-nine thousand, nine hundred eighty-eight".