84136915143 has 12 divisors (see below), whose sum is σ = 121543987968. Its totient is φ = 56085328320.

The previous prime is 84136915139. The next prime is 84136915169. The reversal of 84136915143 is 34151963148.

84136915143 is a `hidden beast` number, since 8 + 41 + 3 + 6 + 91 + 514 + 3 = 666.

It is not a de Polignac number, because 84136915143 - 2² = 84136915139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84136915543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 405255 + ... + 576632.

It is an arithmetic number, because the mean of its divisors is an integer number (10128665664).

Almost surely, 2^84136915143 is an apocalyptic number.

84136915143 is a deficient number, since it is larger than the sum of its proper divisors (37407072825).

84136915143 is a wasteful number, since it uses less digits than its factorization.

84136915143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991414 (or 991411 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The spelling of 84136915143 in words is "eighty-four billion, one hundred thirty-six million, nine hundred fifteen thousand, one hundred forty-three".