142068393 has 12 divisors (see below), whose sum is σ = 205805808. Its totient is φ = 94437240.

The previous prime is 142068389. The next prime is 142068397. The reversal of 142068393 is 393860241.

It is an interprime number because it is at equal distance from previous prime (142068389) and next prime (142068397).

It is not a de Polignac number, because 142068393 - 2² = 142068389 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142068397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19623 + ... + 25868.

It is an arithmetic number, because the mean of its divisors is an integer number (17150484).

Almost surely, 2^142068393 is an apocalyptic number.

It is an amenable number.

142068393 is a deficient number, since it is larger than the sum of its proper divisors (63737415).

142068393 is a wasteful number, since it uses less digits than its factorization.

142068393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45844 (or 45841 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 142068393 is about 11919.2446488861. The cubic root of 142068393 is about 521.7940901877.

The spelling of 142068393 in words is "one hundred forty-two million, sixty-eight thousand, three hundred ninety-three".