133941892 has 18 divisors (see below), whose sum is σ = 272667822. Its totient is φ = 57403584.

The previous prime is 133941877. The next prime is 133941937. The reversal of 133941892 is 298149331.

It can be written as a sum of positive squares in only one way, i.e., 102738496 + 31203396 = 10136^2 + 5586^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 341493 + ... + 341884.

Almost surely, 2^133941892 is an apocalyptic number.

It is an amenable number.

133941892 is an abundant number, since it is smaller than the sum of its proper divisors (138725930).

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

133941892 is a wasteful number, since it uses less digits than its factorization.

133941892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683395 (or 683386 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 133941892 is about 11573.3267473100. The cubic root of 133941892 is about 511.6490158381.

The spelling of 133941892 in words is "one hundred thirty-three million, nine hundred forty-one thousand, eight hundred ninety-two".