133904692 has 24 divisors (see below), whose sum is σ = 240065280. Its totient is φ = 65323680.

The previous prime is 133904681. The next prime is 133904713. The reversal of 133904692 is 296409331.

It is a super-2 number, since 2×133904692² = 35860933079229728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72217 + ... + 74047.

It is an arithmetic number, because the mean of its divisors is an integer number (10002720).

Almost surely, 2^133904692 is an apocalyptic number.

It is an amenable number.

133904692 is a deficient number, since it is larger than the sum of its proper divisors (106160588).

133904692 is a wasteful number, since it uses less digits than its factorization.

133904692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271 (or 2269 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 133904692 is about 11571.7194919338. The cubic root of 133904692 is about 511.6016442866.

The spelling of 133904692 in words is "one hundred thirty-three million, nine hundred four thousand, six hundred ninety-two".