10391142 has 8 divisors (see below), whose sum is σ = 20782296. Its totient is φ = 3463712.

The previous prime is 10391137. The next prime is 10391177. The reversal of 10391142 is 24119301.

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

10391142 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 865923 + ... + 865934.

It is an arithmetic number, because the mean of its divisors is an integer number (2597787).

Almost surely, 2^10391142 is an apocalyptic number.

10391142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10391142 is a wasteful number, since it uses less digits than its factorization.

10391142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731862.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 10391142 is about 3223.5294321597. The cubic root of 10391142 is about 218.2165874829.

The spelling of 10391142 in words is "ten million, three hundred ninety-one thousand, one hundred forty-two".