135609156 has 36 divisors (see below), whose sum is σ = 360833200. Its totient is φ = 42823728.

The previous prime is 135609101. The next prime is 135609197. The reversal of 135609156 is 651906531.

135609156 is a `hidden beast` number, since 1 + 3 + 560 + 91 + 5 + 6 = 666.

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 135609156.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98446 + ... + 99813.

Almost surely, 2^135609156 is an apocalyptic number.

It is an amenable number.

135609156 is an abundant number, since it is smaller than the sum of its proper divisors (225224044).

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

135609156 is a wasteful number, since it uses less digits than its factorization.

135609156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198288 (or 198283 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 135609156 is about 11645.1344346040. The cubic root of 135609156 is about 513.7632131150.

The spelling of 135609156 in words is "one hundred thirty-five million, six hundred nine thousand, one hundred fifty-six".