133492144 has 20 divisors (see below), whose sum is σ = 260619480. Its totient is φ = 66235520.

The previous prime is 133492123. The next prime is 133492147. The reversal of 133492144 is 441294331.

It is not an unprimeable number, because it can be changed into a prime (133492147) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 29749 + ... + 33940.

It is an arithmetic number, because the mean of its divisors is an integer number (13030974).

Almost surely, 2^133492144 is an apocalyptic number.

It is an amenable number.

133492144 is a deficient number, since it is larger than the sum of its proper divisors (127127336).

133492144 is a wasteful number, since it uses less digits than its factorization.

133492144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63828 (or 63822 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 133492144 is about 11553.8800409213. The cubic root of 133492144 is about 511.0757046397.

The spelling of 133492144 in words is "one hundred thirty-three million, four hundred ninety-two thousand, one hundred forty-four".