402143002132 has 6 divisors (see below), whose sum is σ = 703750253738. Its totient is φ = 201071501064.

The previous prime is 402143002109. The next prime is 402143002139. The reversal of 402143002132 is 231200341204.

It can be written as a sum of positive squares in only one way, i.e., 208898358916 + 193244643216 = 457054^2 + 439596^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402143002139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50267875263 + ... + 50267875270.

Almost surely, 2^402143002132 is an apocalyptic number.

It is an amenable number.

402143002132 is a deficient number, since it is larger than the sum of its proper divisors (301607251606).

402143002132 is a wasteful number, since it uses less digits than its factorization.

402143002132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100535750537 (or 100535750535 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 402143002132 its reverse (231200341204), we get a palindrome (633343343336).

The spelling of 402143002132 in words is "four hundred two billion, one hundred forty-three million, two thousand, one hundred thirty-two".