10638143 has 8 divisors (see below), whose sum is σ = 10847520. Its totient is φ = 10430560.

The previous prime is 10638139. The next prime is 10638161. The reversal of 10638143 is 34183601.

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 10638143 - 2² = 10638139 is a prime.

It is a super-2 number, since 2×10638143² = 226340172976898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10631143) 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 7 ways as a sum of consecutive naturals, for example, 18821 + ... + 19377.

It is an arithmetic number, because the mean of its divisors is an integer number (1355940).

Almost surely, 2^10638143 is an apocalyptic number.

10638143 is a deficient number, since it is larger than the sum of its proper divisors (209377).

10638143 is an equidigital number, since it uses as much as digits as its factorization.

10638143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 10638143 is about 3261.6166237006. The cubic root of 10638143 is about 219.9320933667.

The spelling of 10638143 in words is "ten million, six hundred thirty-eight thousand, one hundred forty-three".