135549276 has 12 divisors (see below), whose sum is σ = 316281672. Its totient is φ = 45183088.

The previous prime is 135549233. The next prime is 135549283. The reversal of 135549276 is 672945531.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5647875 + ... + 5647898.

It is an arithmetic number, because the mean of its divisors is an integer number (26356806).

Almost surely, 2^135549276 is an apocalyptic number.

It is an amenable number.

135549276 is an abundant number, since it is smaller than the sum of its proper divisors (180732396).

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

135549276 is a wasteful number, since it uses less digits than its factorization.

135549276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11295780 (or 11295778 counting only the distinct ones).

The product of its digits is 226800, while the sum is 42.

The square root of 135549276 is about 11642.5631198633. The cubic root of 135549276 is about 513.6875823554.

The spelling of 135549276 in words is "one hundred thirty-five million, five hundred forty-nine thousand, two hundred seventy-six".