133139996 has 12 divisors (see below), whose sum is σ = 254176440. Its totient is φ = 60518160.

The previous prime is 133139983. The next prime is 133139999. The reversal of 133139996 is 699931331.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 3025909 = 133139996 / (1 + 3 + 3 + 1 + 3 + 9 + 9 + 9 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133139999) 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 3 ways as a sum of consecutive naturals, for example, 1512911 + ... + 1512998.

It is an arithmetic number, because the mean of its divisors is an integer number (21181370).

Almost surely, 2^133139996 is an apocalyptic number.

It is an amenable number.

133139996 is a deficient number, since it is larger than the sum of its proper divisors (121036444).

133139996 is a wasteful number, since it uses less digits than its factorization.

133139996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025924 (or 3025922 counting only the distinct ones).

The product of its digits is 118098, while the sum is 44.

The square root of 133139996 is about 11538.6305946590. The cubic root of 133139996 is about 510.6259084453.

The spelling of 133139996 in words is "one hundred thirty-three million, one hundred thirty-nine thousand, nine hundred ninety-six".