213985846051142 has 16 divisors (see below), whose sum is σ = 350159340096000. Its totient is φ = 97266103959240.

The previous prime is 213985846051123. The next prime is 213985846051163. The reversal of 213985846051142 is 241150648589312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2381459 + ... + 20824097.

It is an arithmetic number, because the mean of its divisors is an integer number (21884958756000).

Almost surely, 2^{213985846051142} is an apocalyptic number.

213985846051142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

213985846051142 is a deficient number, since it is larger than the sum of its proper divisors (136173494044858).

213985846051142 is a wasteful number, since it uses less digits than its factorization.

213985846051142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18970051.

The product of its (nonzero) digits is 16588800, while the sum is 59.

The spelling of 213985846051142 in words is "two hundred thirteen trillion, nine hundred eighty-five billion, eight hundred forty-six million, fifty-one thousand, one hundred forty-two".