142198140864402 has 96 divisors (see below), whose sum is σ = 368862173222400. Its totient is φ = 38730528031104.

The previous prime is 142198140864379. The next prime is 142198140864421. The reversal of 142198140864402 is 204468041891241.

It is a happy number.

142198140864402 is a `hidden beast` number, since 1 + 4 + 2 + 1 + 9 + 81 + 40 + 86 + 440 + 2 = 666.

It is a super-2 number, since 2×142198140864402² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 246013533 + ... + 246590864.

It is an arithmetic number, because the mean of its divisors is an integer number (3842314304400).

Almost surely, 2^{142198140864402} is an apocalyptic number.

142198140864402 is an abundant number, since it is smaller than the sum of its proper divisors (226664032357998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142198140864402 is a wasteful number, since it uses less digits than its factorization.

142198140864402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492604520 (or 492604517 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 54.

The spelling of 142198140864402 in words is "one hundred forty-two trillion, one hundred ninety-eight billion, one hundred forty million, eight hundred sixty-four thousand, four hundred two".