133002131 has 8 divisors (see below), whose sum is σ = 135107424. Its totient is φ = 130904640.

The previous prime is 133002119. The next prime is 133002157. The reversal of 133002131 is 131200331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133002131 is a prime.

It is a super-2 number, since 2×133002131² = 35379133701082322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133002731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39026 + ... + 42296.

It is an arithmetic number, because the mean of its divisors is an integer number (16888428).

Almost surely, 2^133002131 is an apocalyptic number.

133002131 is a deficient number, since it is larger than the sum of its proper divisors (2105293).

133002131 is an equidigital number, since it uses as much as digits as its factorization.

133002131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3901.

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

The square root of 133002131 is about 11532.6549848680. The cubic root of 133002131 is about 510.4495984069.

Adding to 133002131 its reverse (131200331), we get a palindrome (264202462).

The spelling of 133002131 in words is "one hundred thirty-three million, two thousand, one hundred thirty-one".