133752892 has 24 divisors (see below), whose sum is σ = 288083936. Its totient is φ = 52913088.

The previous prime is 133752881. The next prime is 133752893. The reversal of 133752892 is 298257331.

It is a super-2 number, since 2×133752892² = 35779672236727328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133752893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183363 + ... + 184090.

Almost surely, 2^133752892 is an apocalyptic number.

It is an amenable number.

133752892 is an abundant number, since it is smaller than the sum of its proper divisors (154331044).

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

133752892 is a wasteful number, since it uses less digits than its factorization.

133752892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367477 (or 367475 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 133752892 is about 11565.1585376077. The cubic root of 133752892 is about 511.4082467947.

The spelling of 133752892 in words is "one hundred thirty-three million, seven hundred fifty-two thousand, eight hundred ninety-two".