10139181 has 16 divisors (see below), whose sum is σ = 14616000. Its totient is φ = 6215040.

The previous prime is 10139149. The next prime is 10139203. The reversal of 10139181 is 18193101.

It is not a de Polignac number, because 10139181 - 2⁵ = 10139149 is a prime.

It is a super-2 number, since 2×10139181² = 205605982701522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10139081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19201 + ... + 19721.

It is an arithmetic number, because the mean of its divisors is an integer number (913500).

Almost surely, 2^10139181 is an apocalyptic number.

It is an amenable number.

10139181 is a deficient number, since it is larger than the sum of its proper divisors (4476819).

10139181 is a wasteful number, since it uses less digits than its factorization.

10139181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036.

The product of its (nonzero) digits is 216, while the sum is 24.

The square root of 10139181 is about 3184.2080648098. The cubic root of 10139181 is about 216.4383886326.

The spelling of 10139181 in words is "ten million, one hundred thirty-nine thousand, one hundred eighty-one".