10981139 has 16 divisors (see below), whose sum is σ = 12230400. Its totient is φ = 9796896.

The previous prime is 10981129. The next prime is 10981141. The reversal of 10981139 is 93118901.

It is a cyclic number.

It is not a de Polignac number, because 10981139 - 2⁸ = 10980883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10981109) 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, 78932 + ... + 79070.

It is an arithmetic number, because the mean of its divisors is an integer number (764400).

Almost surely, 2^10981139 is an apocalyptic number.

10981139 is a deficient number, since it is larger than the sum of its proper divisors (1249261).

10981139 is a wasteful number, since it uses less digits than its factorization.

10981139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314.

The product of its (nonzero) digits is 1944, while the sum is 32.

The square root of 10981139 is about 3313.7801677239. The cubic root of 10981139 is about 222.2708257670.

The spelling of 10981139 in words is "ten million, nine hundred eighty-one thousand, one hundred thirty-nine".