142142046139 has 2 divisors, whose sum is σ = 142142046140. Its totient is φ = 142142046138.

The previous prime is 142142046089. The next prime is 142142046209. The reversal of 142142046139 is 931640241241.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142142046139 is a prime.

It is a super-2 number, since 2×142142046139² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142142046098 and 142142046107.

It is not a weakly prime, because it can be changed into another prime (142142046439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71071023069 + 71071023070.

It is an arithmetic number, because the mean of its divisors is an integer number (71071023070).

Almost surely, 2^142142046139 is an apocalyptic number.

142142046139 is a deficient number, since it is larger than the sum of its proper divisors (1).

142142046139 is an equidigital number, since it uses as much as digits as its factorization.

142142046139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 142142046139 in words is "one hundred forty-two billion, one hundred forty-two million, forty-six thousand, one hundred thirty-nine".