394031401142 has 8 divisors (see below), whose sum is σ = 592972337496. Its totient is φ = 196373955312.

The previous prime is 394031401123. The next prime is 394031401193. The reversal of 394031401142 is 241104130493.

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

It is a junction number, because it is equal to n+sod(n) for n = 394031401099 and 394031401108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320871863 + ... + 320873090.

It is an arithmetic number, because the mean of its divisors is an integer number (74121542187).

Almost surely, 2^394031401142 is an apocalyptic number.

394031401142 is a deficient number, since it is larger than the sum of its proper divisors (198940936354).

394031401142 is a wasteful number, since it uses less digits than its factorization.

394031401142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641745262.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 394031401142 in words is "three hundred ninety-four billion, thirty-one million, four hundred one thousand, one hundred forty-two".