381268132 has 48 divisors (see below), whose sum is σ = 795110400. Its totient is φ = 156528000.

The previous prime is 381268109. The next prime is 381268169. The reversal of 381268132 is 231862183.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85494 + ... + 89842.

It is an arithmetic number, because the mean of its divisors is an integer number (16564800).

Almost surely, 2^381268132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 381268132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397555200).

381268132 is an abundant number, since it is smaller than the sum of its proper divisors (413842268).

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

381268132 is a wasteful number, since it uses less digits than its factorization.

381268132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4492 (or 4490 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 381268132 is about 19526.0884971876. The cubic root of 381268132 is about 725.1204758965.

The spelling of 381268132 in words is "three hundred eighty-one million, two hundred sixty-eight thousand, one hundred thirty-two".