10668139 has 8 divisors (see below), whose sum is σ = 11264000. Its totient is φ = 10075752.

The previous prime is 10668137. The next prime is 10668149. The reversal of 10668139 is 93186601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10668139 - 2¹ = 10668137 is a prime.

It is a super-2 number, since 2×10668139² = 227618379446642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10668137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7702 + ... + 8980.

It is an arithmetic number, because the mean of its divisors is an integer number (1408000).

Almost surely, 2^10668139 is an apocalyptic number.

10668139 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

10668139 is a deficient number, since it is larger than the sum of its proper divisors (595861).

10668139 is a wasteful number, since it uses less digits than its factorization.

10668139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 10668139 is about 3266.2117200206. The cubic root of 10668139 is about 220.1386109969.

The spelling of 10668139 in words is "ten million, six hundred sixty-eight thousand, one hundred thirty-nine".