133886313 has 24 divisors (see below), whose sum is σ = 216680256. Its totient is φ = 78948000.

The previous prime is 133886299. The next prime is 133886327. The reversal of 133886313 is 313688331.

133886313 is a `hidden beast` number, since 1 + 338 + 8 + 6 + 313 = 666.

It is an interprime number because it is at equal distance from previous prime (133886299) and next prime (133886327).

It is not a de Polignac number, because 133886313 - 2¹⁰ = 133885289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133886213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14613 + ... + 21938.

It is an arithmetic number, because the mean of its divisors is an integer number (9028344).

Almost surely, 2^133886313 is an apocalyptic number.

It is an amenable number.

133886313 is a deficient number, since it is larger than the sum of its proper divisors (82793943).

133886313 is a wasteful number, since it uses less digits than its factorization.

133886313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36605 (or 36602 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 133886313 is about 11570.9253303269. The cubic root of 133886313 is about 511.5782367004.

It can be divided in two parts, 13388 and 6313, that added together give a triangular number (19701 = T₁₉₈).

The spelling of 133886313 in words is "one hundred thirty-three million, eight hundred eighty-six thousand, three hundred thirteen".