133886842 has 16 divisors (see below), whose sum is σ = 202401792. Its totient is φ = 66422160.

The previous prime is 133886839. The next prime is 133886867. The reversal of 133886842 is 248688331.

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, 211867 + ... + 212497.

It is an arithmetic number, because the mean of its divisors is an integer number (12650112).

Almost surely, 2^133886842 is an apocalyptic number.

133886842 is a deficient number, since it is larger than the sum of its proper divisors (68514950).

133886842 is a wasteful number, since it uses less digits than its factorization.

133886842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293.

The product of its digits is 221184, while the sum is 43.

The square root of 133886842 is about 11570.9481893231. The cubic root of 133886842 is about 511.5789104674.

The spelling of 133886842 in words is "one hundred thirty-three million, eight hundred eighty-six thousand, eight hundred forty-two".