133853564 has 24 divisors (see below), whose sum is σ = 253602048. Its totient is φ = 61450560.

The previous prime is 133853557. The next prime is 133853609. The reversal of 133853564 is 465358331.

133853564 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 3194 + ... + 16670.

It is an arithmetic number, because the mean of its divisors is an integer number (10566752).

Almost surely, 2^133853564 is an apocalyptic number.

It is an amenable number.

133853564 is a deficient number, since it is larger than the sum of its proper divisors (119748484).

133853564 is a wasteful number, since it uses less digits than its factorization.

133853564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13685 (or 13683 counting only the distinct ones).

The product of its digits is 129600, while the sum is 38.

The square root of 133853564 is about 11569.5101019879. The cubic root of 133853564 is about 511.5365221007.

The spelling of 133853564 in words is "one hundred thirty-three million, eight hundred fifty-three thousand, five hundred sixty-four".