135909936 has 30 divisors (see below), whose sum is σ = 380359460. Its totient is φ = 45303264.

The previous prime is 135909931. The next prime is 135909989. The reversal of 135909936 is 639909531.

It is a junction number, because it is equal to n+sod(n) for n = 135909891 and 135909900.

It is not an unprimeable number, because it can be changed into a prime (135909931) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 471766 + ... + 472053.

Almost surely, 2^135909936 is an apocalyptic number.

135909936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

135909936 is an abundant number, since it is smaller than the sum of its proper divisors (244449524).

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

135909936 is a wasteful number, since it uses less digits than its factorization.

135909936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943833 (or 943824 counting only the distinct ones).

The product of its (nonzero) digits is 196830, while the sum is 45.

The square root of 135909936 is about 11658.0416880366. The cubic root of 135909936 is about 514.1427735022.

The spelling of 135909936 in words is "one hundred thirty-five million, nine hundred nine thousand, nine hundred thirty-six".