381107542 has 8 divisors (see below), whose sum is σ = 577321632. Its totient is φ = 188667000.

The previous prime is 381107501. The next prime is 381107543. The reversal of 381107542 is 245701183.

381107542 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381107543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 943134 + ... + 943537.

It is an arithmetic number, because the mean of its divisors is an integer number (72165204).

Almost surely, 2^381107542 is an apocalyptic number.

381107542 is a deficient number, since it is larger than the sum of its proper divisors (196214090).

381107542 is a wasteful number, since it uses less digits than its factorization.

381107542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886774.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 381107542 is about 19521.9758733587. The cubic root of 381107542 is about 725.0186547717.

The spelling of 381107542 in words is "three hundred eighty-one million, one hundred seven thousand, five hundred forty-two".