1142868685839 has 8 divisors (see below), whose sum is σ = 1525875825792. Its totient is φ = 760887001560.

The previous prime is 1142868685823. The next prime is 1142868685859. The reversal of 1142868685839 is 9385868682411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1142868685839 - 2⁴ = 1142868685823 is a prime.

It is a super-2 number, since 2×1142868685839² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142868685859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256361317 + ... + 256365774.

It is an arithmetic number, because the mean of its divisors is an integer number (190734478224).

Almost surely, 2^{1142868685839} is an apocalyptic number.

1142868685839 is a deficient number, since it is larger than the sum of its proper divisors (383007139953).

1142868685839 is an equidigital number, since it uses as much as digits as its factorization.

1142868685839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512727837.

The product of its digits is 159252480, while the sum is 69.

The spelling of 1142868685839 in words is "one trillion, one hundred forty-two billion, eight hundred sixty-eight million, six hundred eighty-five thousand, eight hundred thirty-nine".