394013153967 has 8 divisors (see below), whose sum is σ = 556253864496. Its totient is φ = 247223939712.

The previous prime is 394013153917. The next prime is 394013153969. The reversal of 394013153967 is 769351310493.

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

It is not a de Polignac number, because 394013153967 - 2⁷ = 394013153839 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 7725748117 = 394013153967 / (3 + 9 + 4 + 0 + 1 + 3 + 1 + 5 + 3 + 9 + 6 + 7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394013153969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3862874008 + ... + 3862874109.

It is an arithmetic number, because the mean of its divisors is an integer number (69531733062).

Almost surely, 2^394013153967 is an apocalyptic number.

394013153967 is a deficient number, since it is larger than the sum of its proper divisors (162240710529).

394013153967 is a wasteful number, since it uses less digits than its factorization.

394013153967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7725748137.

The product of its (nonzero) digits is 1837080, while the sum is 51.

The spelling of 394013153967 in words is "three hundred ninety-four billion, thirteen million, one hundred fifty-three thousand, nine hundred sixty-seven".