135309916 has 24 divisors (see below), whose sum is σ = 279351296. Its totient is φ = 56118960.

The previous prime is 135309899. The next prime is 135309961. The reversal of 135309916 is 619903531.

It is a congruent number.

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, 77076 + ... + 78811.

Almost surely, 2^135309916 is an apocalyptic number.

It is an amenable number.

135309916 is an abundant number, since it is smaller than the sum of its proper divisors (144041380).

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

135309916 is a wasteful number, since it uses less digits than its factorization.

135309916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155929 (or 155927 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 37.

The square root of 135309916 is about 11632.2790544244. The cubic root of 135309916 is about 513.3850387378.

The spelling of 135309916 in words is "one hundred thirty-five million, three hundred nine thousand, nine hundred sixteen".