402552142133 has 4 divisors (see below), whose sum is σ = 404595554220. Its totient is φ = 400508730048.

The previous prime is 402552142129. The next prime is 402552142159. The reversal of 402552142133 is 331241255204.

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 232129312804 + 170422829329 = 481798^2 + 412823^2 .

It is a cyclic number.

It is not a de Polignac number, because 402552142133 - 2² = 402552142129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 402552142133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402552142183) 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, 1021705748 + ... + 1021706141.

It is an arithmetic number, because the mean of its divisors is an integer number (101148888555).

Almost surely, 2^402552142133 is an apocalyptic number.

It is an amenable number.

402552142133 is a deficient number, since it is larger than the sum of its proper divisors (2043412087).

402552142133 is a wasteful number, since it uses less digits than its factorization.

402552142133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043412086.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 402552142133 its reverse (331241255204), we get a palindrome (733793397337).

The spelling of 402552142133 in words is "four hundred two billion, five hundred fifty-two million, one hundred forty-two thousand, one hundred thirty-three".