142613789 has 2 divisors, whose sum is σ = 142613790. Its totient is φ = 142613788.

The previous prime is 142613771. The next prime is 142613879. The reversal of 142613789 is 987316241.

Together with next prime (142613879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125664100 + 16949689 = 11210^2 + 4117^2 .

It is a cyclic number.

It is not a de Polignac number, because 142613789 - 2⁸ = 142613533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142613729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71306894 + 71306895.

It is an arithmetic number, because the mean of its divisors is an integer number (71306895).

Almost surely, 2^142613789 is an apocalyptic number.

It is an amenable number.

142613789 is a deficient number, since it is larger than the sum of its proper divisors (1).

142613789 is an equidigital number, since it uses as much as digits as its factorization.

142613789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 41.

The square root of 142613789 is about 11942.1015319750. The cubic root of 142613789 is about 522.4609544779.

The spelling of 142613789 in words is "one hundred forty-two million, six hundred thirteen thousand, seven hundred eighty-nine".