142660624139 has 8 divisors (see below), whose sum is σ = 156584557632. Its totient is φ = 128895821640.

The previous prime is 142660624049. The next prime is 142660624153. The reversal of 142660624139 is 931426066241.

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

It is a cyclic number.

It is not a de Polignac number, because 142660624139 - 2³² = 138365656843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142660624139.

It is not an unprimeable number, because it can be changed into a prime (142660624199) 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, 39780869 + ... + 39784454.

It is an arithmetic number, because the mean of its divisors is an integer number (19573069704).

Almost surely, 2^142660624139 is an apocalyptic number.

142660624139 is a deficient number, since it is larger than the sum of its proper divisors (13923933493).

142660624139 is a wasteful number, since it uses less digits than its factorization.

142660624139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79565497.

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 142660624139 in words is "one hundred forty-two billion, six hundred sixty million, six hundred twenty-four thousand, one hundred thirty-nine".