134874909 has 16 divisors (see below), whose sum is σ = 215185600. Its totient is φ = 82999728.

The previous prime is 134874907. The next prime is 134874919. The reversal of 134874909 is 909478431.

It is not a de Polignac number, because 134874909 - 2¹ = 134874907 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134874907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191779 + ... + 192480.

It is an arithmetic number, because the mean of its divisors is an integer number (13449100).

Almost surely, 2^134874909 is an apocalyptic number.

It is an amenable number.

134874909 is a deficient number, since it is larger than the sum of its proper divisors (80310691).

134874909 is a wasteful number, since it uses less digits than its factorization.

134874909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384281 (or 384275 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 134874909 is about 11613.5657315055. The cubic root of 134874909 is about 512.8342886678.

The spelling of 134874909 in words is "one hundred thirty-four million, eight hundred seventy-four thousand, nine hundred nine".