10140381 has 24 divisors (see below), whose sum is σ = 15634944. Its totient is φ = 6311040.

The previous prime is 10140371. The next prime is 10140397. The reversal of 10140381 is 18304101.

It is not a de Polignac number, because 10140381 - 2⁷ = 10140253 is a prime.

It is a super-2 number, since 2×10140381² = 205654653650322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10140301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29050 + ... + 29396.

It is an arithmetic number, because the mean of its divisors is an integer number (651456).

Almost surely, 2^10140381 is an apocalyptic number.

It is an amenable number.

10140381 is a deficient number, since it is larger than the sum of its proper divisors (5494563).

10140381 is a wasteful number, since it uses less digits than its factorization.

10140381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561 (or 558 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 10140381 is about 3184.3964891326. The cubic root of 10140381 is about 216.4469269890.

Adding to 10140381 its reverse (18304101), we get a palindrome (28444482).

The spelling of 10140381 in words is "ten million, one hundred forty thousand, three hundred eighty-one".