142071393 has 8 divisors (see below), whose sum is σ = 189489888. Its totient is φ = 94683584.

The previous prime is 142071389. The next prime is 142071401. The reversal of 142071393 is 393170241.

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 142071393 - 2² = 142071389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142071393.

It is not an unprimeable number, because it can be changed into a prime (142071313) 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, 7321 + ... + 18377.

It is an arithmetic number, because the mean of its divisors is an integer number (23686236).

Almost surely, 2^142071393 is an apocalyptic number.

It is an amenable number.

142071393 is a deficient number, since it is larger than the sum of its proper divisors (47418495).

142071393 is a wasteful number, since it uses less digits than its factorization.

142071393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15343.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 142071393 is about 11919.3704951226. The cubic root of 142071393 is about 521.7977629991.

The spelling of 142071393 in words is "one hundred forty-two million, seventy-one thousand, three hundred ninety-three".