133031996 has 24 divisors (see below), whose sum is σ = 250279680. Its totient is φ = 61672752.

The previous prime is 133031989. The next prime is 133031999. The reversal of 133031996 is 699130331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133031999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15050 + ... + 22193.

It is an arithmetic number, because the mean of its divisors is an integer number (10428320).

Almost surely, 2^133031996 is an apocalyptic number.

It is an amenable number.

133031996 is a deficient number, since it is larger than the sum of its proper divisors (117247684).

133031996 is a wasteful number, since it uses less digits than its factorization.

133031996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37313 (or 37311 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 35.

The square root of 133031996 is about 11533.9497137798. The cubic root of 133031996 is about 510.4878018959.

The spelling of 133031996 in words is "one hundred thirty-three million, thirty-one thousand, nine hundred ninety-six".