135679872 has 32 divisors (see below), whose sum is σ = 360400680. Its totient is φ = 45226496.

The previous prime is 135679853. The next prime is 135679897. The reversal of 135679872 is 278976531.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 176283 + ... + 177050.

Almost surely, 2^135679872 is an apocalyptic number.

135679872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135679872 is an abundant number, since it is smaller than the sum of its proper divisors (224720808).

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

135679872 is an equidigital number, since it uses as much as digits as its factorization.

135679872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353350 (or 353338 counting only the distinct ones).

The product of its digits is 635040, while the sum is 48.

The square root of 135679872 is about 11648.1703284250. The cubic root of 135679872 is about 513.8525014961.

The spelling of 135679872 in words is "one hundred thirty-five million, six hundred seventy-nine thousand, eight hundred seventy-two".