133072232 has 32 divisors (see below), whose sum is σ = 254615400. Its totient is φ = 65184000.

The previous prime is 133072231. The next prime is 133072249. The reversal of 133072232 is 232270331.

It can be written as a sum of positive squares in 4 ways, for example, as 86750596 + 46321636 = 9314^2 + 6806^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133072198 and 133072207.

It is not an unprimeable number, because it can be changed into a prime (133072231) 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, 189482 + ... + 190182.

Almost surely, 2^133072232 is an apocalyptic number.

It is an amenable number.

133072232 is a deficient number, since it is larger than the sum of its proper divisors (121543168).

133072232 is a wasteful number, since it uses less digits than its factorization.

133072232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157 (or 1153 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 133072232 is about 11535.6938239535. The cubic root of 133072232 is about 510.5392629914.

The spelling of 133072232 in words is "one hundred thirty-three million, seventy-two thousand, two hundred thirty-two".