133349886 has 24 divisors (see below), whose sum is σ = 290001504. Its totient is φ = 44284320.

The previous prime is 133349863. The next prime is 133349939. The reversal of 133349886 is 688943331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8791 + ... + 18546.

It is an arithmetic number, because the mean of its divisors is an integer number (12083396).

Almost surely, 2^133349886 is an apocalyptic number.

133349886 is an abundant number, since it is smaller than the sum of its proper divisors (156651618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133349886 is a wasteful number, since it uses less digits than its factorization.

133349886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27616 (or 27613 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 133349886 is about 11547.7221130403. The cubic root of 133349886 is about 510.8940948286.

It can be divided in two parts, 13334 and 9886, that added together give a triangular number (23220 = T₂₁₅).

The spelling of 133349886 in words is "one hundred thirty-three million, three hundred forty-nine thousand, eight hundred eighty-six".