10002140 has 12 divisors (see below), whose sum is σ = 21004536. Its totient is φ = 4000848.

The previous prime is 10002133. The next prime is 10002149. The reversal of 10002140 is 4120001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002149) 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 3 ways as a sum of consecutive naturals, for example, 250034 + ... + 250073.

It is an arithmetic number, because the mean of its divisors is an integer number (1750378).

Almost surely, 2^10002140 is an apocalyptic number.

10002140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10002140 is an abundant number, since it is smaller than the sum of its proper divisors (11002396).

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

10002140 is a wasteful number, since it uses less digits than its factorization.

10002140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500116 (or 500114 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 10002140 is about 3162.6160057775. The cubic root of 10002140 is about 215.4588362078.

Adding to 10002140 its reverse (4120001), we get a palindrome (14122141).

The spelling of 10002140 in words is "ten million, two thousand, one hundred forty".