135744156 has 36 divisors (see below), whose sum is σ = 344071000. Its totient is φ = 45124128.

The previous prime is 135744149. The next prime is 135744173. The reversal of 135744156 is 651447531.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 135744156.

It is a congruent number.

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, 8670 + ... + 18618.

Almost surely, 2^135744156 is an apocalyptic number.

It is an amenable number.

135744156 is an abundant number, since it is smaller than the sum of its proper divisors (208326844).

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

135744156 is a wasteful number, since it uses less digits than its factorization.

135744156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10338 (or 10333 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 135744156 is about 11650.9294049874. The cubic root of 135744156 is about 513.9336417031.

The spelling of 135744156 in words is "one hundred thirty-five million, seven hundred forty-four thousand, one hundred fifty-six".