133893922 has 4 divisors (see below), whose sum is σ = 200840886. Its totient is φ = 66946960.

The previous prime is 133893919. The next prime is 133893937. The reversal of 133893922 is 229398331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 229398331 = 263 ⋅872237.

It can be written as a sum of positive squares in only one way, i.e., 113018161 + 20875761 = 10631^2 + 4569^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33473479 + ... + 33473482.

Almost surely, 2^133893922 is an apocalyptic number.

133893922 is a deficient number, since it is larger than the sum of its proper divisors (66946964).

133893922 is an equidigital number, since it uses as much as digits as its factorization.

133893922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66946963.

The product of its digits is 69984, while the sum is 40.

The square root of 133893922 is about 11571.2541239055. The cubic root of 133893922 is about 511.5879278206.

The spelling of 133893922 in words is "one hundred thirty-three million, eight hundred ninety-three thousand, nine hundred twenty-two".