133890496 has 14 divisors (see below), whose sum is σ = 265689080. Its totient is φ = 66945216.

The previous prime is 133890479. The next prime is 133890503. The reversal of 133890496 is 694098331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1045956 + ... + 1046083.

Almost surely, 2^133890496 is an apocalyptic number.

133890496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133890496 is a deficient number, since it is larger than the sum of its proper divisors (131798584).

133890496 is an equidigital number, since it uses as much as digits as its factorization.

133890496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092051 (or 2092041 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 133890496 is about 11571.1060836897. The cubic root of 133890496 is about 511.5835643784.

The spelling of 133890496 in words is "one hundred thirty-three million, eight hundred ninety thousand, four hundred ninety-six".