381331636134 has 8 divisors (see below), whose sum is σ = 762663272280. Its totient is φ = 127110545376.

The previous prime is 381331636097. The next prime is 381331636141. The reversal of 381331636134 is 431636133183.

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

381331636134 is an admirable number.

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, 31777636339 + ... + 31777636350.

It is an arithmetic number, because the mean of its divisors is an integer number (95332909035).

Almost surely, 2^381331636134 is an apocalyptic number.

381331636134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

381331636134 is a wasteful number, since it uses less digits than its factorization.

381331636134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63555272694.

The product of its digits is 279936, while the sum is 42.

The spelling of 381331636134 in words is "three hundred eighty-one billion, three hundred thirty-one million, six hundred thirty-six thousand, one hundred thirty-four".