133131002 has 8 divisors (see below), whose sum is σ = 201635616. Its totient is φ = 65919132.

The previous prime is 133131001. The next prime is 133131007. The reversal of 133131002 is 200131331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (133131001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322928 + ... + 323339.

It is an arithmetic number, because the mean of its divisors is an integer number (25204452).

Almost surely, 2^133131002 is an apocalyptic number.

133131002 is a deficient number, since it is larger than the sum of its proper divisors (68504614).

133131002 is a wasteful number, since it uses less digits than its factorization.

133131002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646372.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 133131002 is about 11538.2408537870. The cubic root of 133131002 is about 510.6144100903.

Adding to 133131002 its reverse (200131331), we get a palindrome (333262333).

The spelling of 133131002 in words is "one hundred thirty-three million, one hundred thirty-one thousand, two".