381514128 has 40 divisors (see below), whose sum is σ = 988978368. Its totient is φ = 126732672.

The previous prime is 381514127. The next prime is 381514151. The reversal of 381514128 is 821415183.

It is not an unprimeable number, because it can be changed into a prime (381514127) 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, 501 + ... + 27627.

Almost surely, 2^381514128 is an apocalyptic number.

It is an amenable number.

381514128 is an abundant number, since it is smaller than the sum of its proper divisors (607464240).

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

381514128 is a wasteful number, since it uses less digits than its factorization.

381514128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27431 (or 27425 counting only the distinct ones).

The product of its digits is 7680, while the sum is 33.

The square root of 381514128 is about 19532.3866437259. The cubic root of 381514128 is about 725.2763927542.

The spelling of 381514128 in words is "three hundred eighty-one million, five hundred fourteen thousand, one hundred twenty-eight".