142656004136065 has 12 divisors (see below), whose sum is σ = 199136136386196. Its totient is φ = 97821259978848.

The previous prime is 142656004136047. The next prime is 142656004136131. The reversal of 142656004136065 is 560631400656241.

It can be written as a sum of positive squares in 2 ways, for example, as 33337771088769 + 109318233047296 = 5773887^2 + 10455536^2 .

It is not a de Polignac number, because 142656004136065 - 2⁷ = 142656004135937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 291134702074 + ... + 291134702563.

It is an arithmetic number, because the mean of its divisors is an integer number (16594678032183).

Almost surely, 2^{142656004136065} is an apocalyptic number.

It is an amenable number.

142656004136065 is a deficient number, since it is larger than the sum of its proper divisors (56480132250131).

142656004136065 is an equidigital number, since it uses as much as digits as its factorization.

142656004136065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582269404656 (or 582269404649 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 49.

The spelling of 142656004136065 in words is "one hundred forty-two trillion, six hundred fifty-six billion, four million, one hundred thirty-six thousand, sixty-five".