402004133 has 4 divisors (see below), whose sum is σ = 402345708. Its totient is φ = 401662560.

The previous prime is 402004069. The next prime is 402004193. The reversal of 402004133 is 331400204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 231100804 + 170903329 = 15202^2 + 13073^2 .

It is a cyclic number.

It is not a de Polignac number, because 402004133 - 2⁶ = 402004069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402004193) 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, 169016 + ... + 171377.

It is an arithmetic number, because the mean of its divisors is an integer number (100586427).

Almost surely, 2^402004133 is an apocalyptic number.

It is an amenable number.

402004133 is a deficient number, since it is larger than the sum of its proper divisors (341575).

402004133 is a wasteful number, since it uses less digits than its factorization.

402004133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341574.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 402004133 is about 20050.0407231507. The cubic root of 402004133 is about 738.0347984610.

Adding to 402004133 its reverse (331400204), we get a palindrome (733404337).

The spelling of 402004133 in words is "four hundred two million, four thousand, one hundred thirty-three".