402102141 has 16 divisors (see below), whose sum is σ = 613008000. Its totient is φ = 229667328.

The previous prime is 402102133. The next prime is 402102157. The reversal of 402102141 is 141201204.

It is not a de Polignac number, because 402102141 - 2³ = 402102133 is a prime.

It is a super-2 number, since 2×402102141² = 323372263593567762, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 402102141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402102121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82665 + ... + 87393.

It is an arithmetic number, because the mean of its divisors is an integer number (38313000).

Almost surely, 2^402102141 is an apocalyptic number.

It is an amenable number.

402102141 is a deficient number, since it is larger than the sum of its proper divisors (210905859).

402102141 is a wasteful number, since it uses less digits than its factorization.

402102141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8788.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 402102141 is about 20052.4846590142. The cubic root of 402102141 is about 738.0947708436.

Adding to 402102141 its reverse (141201204), we get a palindrome (543303345).

The spelling of 402102141 in words is "four hundred two million, one hundred two thousand, one hundred forty-one".