10143140 has 48 divisors (see below), whose sum is σ = 24820992. Its totient is φ = 3409536.

The previous prime is 10143139. The next prime is 10143149. The reversal of 10143140 is 4134101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10143149) 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 15 ways as a sum of consecutive naturals, for example, 6737 + ... + 8103.

It is an arithmetic number, because the mean of its divisors is an integer number (517104).

Almost surely, 2^10143140 is an apocalyptic number.

10143140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10143140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12410496).

10143140 is an abundant number, since it is smaller than the sum of its proper divisors (14677852).

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

10143140 is a wasteful number, since it uses less digits than its factorization.

10143140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436 (or 1434 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 10143140 is about 3184.8296657749. The cubic root of 10143140 is about 216.4665555387.

Adding to 10143140 its reverse (4134101), we get a palindrome (14277241).

The spelling of 10143140 in words is "ten million, one hundred forty-three thousand, one hundred forty".