381925137 has 64 divisors (see below), whose sum is σ = 610237440. Its totient is φ = 209952000.

The previous prime is 381925079. The next prime is 381925147. The reversal of 381925137 is 731529183.

It is not a de Polignac number, because 381925137 - 2⁶ = 381925073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 381925095 and 381925104.

It is not an unprimeable number, because it can be changed into a prime (381925147) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2343018 + ... + 2343180.

It is an arithmetic number, because the mean of its divisors is an integer number (9534960).

Almost surely, 2^381925137 is an apocalyptic number.

381925137 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

381925137 is a deficient number, since it is larger than the sum of its proper divisors (228312303).

381925137 is a wasteful number, since it uses less digits than its factorization.

381925137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334.

The product of its digits is 45360, while the sum is 39.

The square root of 381925137 is about 19542.9050297032. The cubic root of 381925137 is about 725.5367484615.

The spelling of 381925137 in words is "three hundred eighty-one million, nine hundred twenty-five thousand, one hundred thirty-seven".