10142140 has 24 divisors (see below), whose sum is σ = 21425040. Its totient is φ = 4032768.

The previous prime is 10142131. The next prime is 10142147. The reversal of 10142140 is 4124101.

10142140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 10142140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10142147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2164 + ... + 4996.

It is an arithmetic number, because the mean of its divisors is an integer number (892710).

Almost surely, 2^10142140 is an apocalyptic number.

10142140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10142140 is an abundant number, since it is smaller than the sum of its proper divisors (11282900).

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

10142140 is a wasteful number, since it uses less digits than its factorization.

10142140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3021 (or 3019 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 10142140 is about 3184.6726676379. The cubic root of 10142140 is about 216.4594415790.

Adding to 10142140 its reverse (4124101), we get a palindrome (14266241).

The spelling of 10142140 in words is "ten million, one hundred forty-two thousand, one hundred forty".