133291896 has 16 divisors (see below), whose sum is σ = 333229800. Its totient is φ = 44430624.

The previous prime is 133291867. The next prime is 133291913. The reversal of 133291896 is 698192331.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2776891 + ... + 2776938.

Almost surely, 2^133291896 is an apocalyptic number.

It is an amenable number.

133291896 is an abundant number, since it is smaller than the sum of its proper divisors (199937904).

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

133291896 is a wasteful number, since it uses less digits than its factorization.

133291896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5553838 (or 5553834 counting only the distinct ones).

The product of its digits is 69984, while the sum is 42.

The square root of 133291896 is about 11545.2109551970. The cubic root of 133291896 is about 510.8200264133.

It can be divided in two parts, 13329 and 1896, that added together give a triangular number (15225 = T₁₇₄).

The spelling of 133291896 in words is "one hundred thirty-three million, two hundred ninety-one thousand, eight hundred ninety-six".