381594129 has 8 divisors (see below), whose sum is σ = 581476800. Its totient is φ = 218053776.

The previous prime is 381594113. The next prime is 381594131. The reversal of 381594129 is 921495183.

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

It is not a de Polignac number, because 381594129 - 2⁴ = 381594113 is a prime.

It is a super-2 number, since 2×381594129² = 291228158574537282, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (381594179) 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, 9085554 + ... + 9085595.

It is an arithmetic number, because the mean of its divisors is an integer number (72684600).

Almost surely, 2^381594129 is an apocalyptic number.

It is an amenable number.

381594129 is a deficient number, since it is larger than the sum of its proper divisors (199882671).

381594129 is a wasteful number, since it uses less digits than its factorization.

381594129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18171159.

The product of its digits is 77760, while the sum is 42.

The square root of 381594129 is about 19534.4344427987. The cubic root of 381594129 is about 725.3270844387.

The spelling of 381594129 in words is "three hundred eighty-one million, five hundred ninety-four thousand, one hundred twenty-nine".