133411172 has 12 divisors (see below), whose sum is σ = 247203180. Its totient is φ = 62781696.

The previous prime is 133411153. The next prime is 133411207. The reversal of 133411172 is 271114331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 93392896 + 40018276 = 9664^2 + 6326^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 980897 + ... + 981032.

It is an arithmetic number, because the mean of its divisors is an integer number (20600265).

Almost surely, 2^133411172 is an apocalyptic number.

It is an amenable number.

133411172 is a deficient number, since it is larger than the sum of its proper divisors (113792008).

133411172 is a wasteful number, since it uses less digits than its factorization.

133411172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961950 (or 1961948 counting only the distinct ones).

The product of its digits is 504, while the sum is 23.

The square root of 133411172 is about 11550.3754051546. The cubic root of 133411172 is about 510.9723497638.

The spelling of 133411172 in words is "one hundred thirty-three million, four hundred eleven thousand, one hundred seventy-two".