381131754 has 16 divisors (see below), whose sum is σ = 802382880. Its totient is φ = 120357360.

The previous prime is 381131743. The next prime is 381131761. The reversal of 381131754 is 457131183.

It is a super-2 number, since 2×381131754² = 290522827814233032, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1671517 + ... + 1671744.

It is an arithmetic number, because the mean of its divisors is an integer number (50148930).

Almost surely, 2^381131754 is an apocalyptic number.

381131754 is an abundant number, since it is smaller than the sum of its proper divisors (421251126).

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

381131754 is a wasteful number, since it uses less digits than its factorization.

381131754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3343285.

The product of its digits is 10080, while the sum is 33.

The square root of 381131754 is about 19522.5959851655. The cubic root of 381131754 is about 725.0340080758.

The spelling of 381131754 in words is "three hundred eighty-one million, one hundred thirty-one thousand, seven hundred fifty-four".