133876664 has 16 divisors (see below), whose sum is σ = 255274200. Its totient is φ = 65803552.

The previous prime is 133876663. The next prime is 133876703. The reversal of 133876664 is 466678331.

It is a super-2 number, since 2×133876664² = 35845922327537792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133876661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141347 + ... + 142290.

Almost surely, 2^133876664 is an apocalyptic number.

It is an amenable number.

133876664 is a deficient number, since it is larger than the sum of its proper divisors (121397536).

133876664 is a wasteful number, since it uses less digits than its factorization.

133876664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283702 (or 283698 counting only the distinct ones).

The product of its digits is 435456, while the sum is 44.

The square root of 133876664 is about 11570.5083725824. The cubic root of 133876664 is about 511.5659468283.

The spelling of 133876664 in words is "one hundred thirty-three million, eight hundred seventy-six thousand, six hundred sixty-four".