402002133 has 32 divisors (see below), whose sum is σ = 613119360. Its totient is φ = 232243200.

The previous prime is 402002131. The next prime is 402002143. The reversal of 402002133 is 331200204.

It is not a de Polignac number, because 402002133 - 2¹ = 402002131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402002131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81333 + ... + 86133.

It is an arithmetic number, because the mean of its divisors is an integer number (19159980).

Almost surely, 2^402002133 is an apocalyptic number.

It is an amenable number.

402002133 is a deficient number, since it is larger than the sum of its proper divisors (211117227).

402002133 is a wasteful number, since it uses less digits than its factorization.

402002133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4949.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 402002133 is about 20049.9908478782. The cubic root of 402002133 is about 738.0335745332.

Adding to 402002133 its reverse (331200204), we get a palindrome (733202337).

The spelling of 402002133 in words is "four hundred two million, two thousand, one hundred thirty-three".