394381394141 has 8 divisors (see below), whose sum is σ = 450725502144. Its totient is φ = 338038263360.

The previous prime is 394381394117. The next prime is 394381394161. The reversal of 394381394141 is 141493183493.

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

It is not a de Polignac number, because 394381394141 - 2¹⁰ = 394381393117 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 394381394141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394381394111) 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, 1154306 + ... + 1456428.

It is an arithmetic number, because the mean of its divisors is an integer number (56340687768).

Almost surely, 2^394381394141 is an apocalyptic number.

It is an amenable number.

394381394141 is a deficient number, since it is larger than the sum of its proper divisors (56344108003).

394381394141 is a wasteful number, since it uses less digits than its factorization.

394381394141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488611.

The product of its digits is 1119744, while the sum is 50.

The spelling of 394381394141 in words is "three hundred ninety-four billion, three hundred eighty-one million, three hundred ninety-four thousand, one hundred forty-one".