133650556 has 12 divisors (see below), whose sum is σ = 251879992. Its totient is φ = 61684848.

The previous prime is 133650547. The next prime is 133650607. The reversal of 133650556 is 655056331.

It is a super-2 number, since 2×133650556² = 35724942238218272, which contains 22 as substring.

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, 1285050 + ... + 1285153.

Almost surely, 2^133650556 is an apocalyptic number.

It is an amenable number.

133650556 is a deficient number, since it is larger than the sum of its proper divisors (118229436).

133650556 is a wasteful number, since it uses less digits than its factorization.

133650556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2570220 (or 2570218 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 34.

The square root of 133650556 is about 11560.7333677410. The cubic root of 133650556 is about 511.2777852479.

The spelling of 133650556 in words is "one hundred thirty-three million, six hundred fifty thousand, five hundred fifty-six".