133072452 has 36 divisors (see below), whose sum is σ = 341404336. Its totient is φ = 43694640.

The previous prime is 133072439. The next prime is 133072483. The reversal of 133072452 is 254270331.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25174 + ... + 29997.

Almost surely, 2^133072452 is an apocalyptic number.

133072452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133072452 is an abundant number, since it is smaller than the sum of its proper divisors (208331884).

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

133072452 is a wasteful number, since it uses less digits than its factorization.

133072452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55248 (or 55243 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 133072452 is about 11535.7033595702. The cubic root of 133072452 is about 510.5395443388.

The spelling of 133072452 in words is "one hundred thirty-three million, seventy-two thousand, four hundred fifty-two".