133011712 has 18 divisors (see below), whose sum is σ = 265504358. Its totient is φ = 66505728.

The previous prime is 133011701. The next prime is 133011721. The reversal of 133011712 is 217110331.

It can be written as a sum of positive squares in only one way, i.e., 125081856 + 7929856 = 11184^2 + 2816^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 133011712.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259533 + ... + 260044.

Almost surely, 2^133011712 is an apocalyptic number.

It is an amenable number.

133011712 is a deficient number, since it is larger than the sum of its proper divisors (132492646).

133011712 is an frugal number, since it uses more digits than its factorization.

133011712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519593 (or 519579 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 133011712 is about 11533.0703630907. The cubic root of 133011712 is about 510.4618551031.

The spelling of 133011712 in words is "one hundred thirty-three million, eleven thousand, seven hundred twelve".