133610272 has 12 divisors (see below), whose sum is σ = 263045286. Its totient is φ = 66805120.

The previous prime is 133610263. The next prime is 133610291. The reversal of 133610272 is 272016331.

133610272 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 132618256 + 992016 = 11516^2 + 996^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2087629 + ... + 2087692.

Almost surely, 2^133610272 is an apocalyptic number.

It is an amenable number.

133610272 is a deficient number, since it is larger than the sum of its proper divisors (129435014).

133610272 is an equidigital number, since it uses as much as digits as its factorization.

133610272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4175331 (or 4175323 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 133610272 is about 11558.9909594220. The cubic root of 133610272 is about 511.2264115148.

The spelling of 133610272 in words is "one hundred thirty-three million, six hundred ten thousand, two hundred seventy-two".