394501137 has 8 divisors (see below), whose sum is σ = 527154336. Its totient is φ = 262424352.

The previous prime is 394501117. The next prime is 394501153. The reversal of 394501137 is 731105493.

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

It is not a de Polignac number, because 394501137 - 2⁸ = 394500881 is a prime.

It is a super-2 number, since 2×394501137² = 311262294188585538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 394501098 and 394501107.

It is not an unprimeable number, because it can be changed into a prime (394501117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142503 + ... + 145244.

It is an arithmetic number, because the mean of its divisors is an integer number (65894292).

Almost surely, 2^394501137 is an apocalyptic number.

It is an amenable number.

394501137 is a deficient number, since it is larger than the sum of its proper divisors (132653199).

394501137 is a wasteful number, since it uses less digits than its factorization.

394501137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288207.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 394501137 is about 19862.0526884811. The cubic root of 394501137 is about 733.4143780724.

The spelling of 394501137 in words is "three hundred ninety-four million, five hundred one thousand, one hundred thirty-seven".