84143028953142 has 40 divisors (see below), whose sum is σ = 198466013717400. Its totient is φ = 26571482826336.

The previous prime is 84143028953119. The next prime is 84143028953213. The reversal of 84143028953142 is 24135982034148.

It is a happy number.

84143028953142 is a `hidden beast` number, since 8 + 4 + 1 + 43 + 0 + 28 + 9 + 531 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13668455167 + ... + 13668461322.

It is an arithmetic number, because the mean of its divisors is an integer number (4961650342935).

Almost surely, 2^{84143028953142} is an apocalyptic number.

84143028953142 is an abundant number, since it is smaller than the sum of its proper divisors (114322984764258).

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

84143028953142 is a wasteful number, since it uses less digits than its factorization.

84143028953142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27336916522 (or 27336916513 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 84143028953142 in words is "eighty-four trillion, one hundred forty-three billion, twenty-eight million, nine hundred fifty-three thousand, one hundred forty-two".