10302140 has 24 divisors (see below), whose sum is σ = 22044960. Its totient is φ = 4042688.

The previous prime is 10302139. The next prime is 10302143. The reversal of 10302140 is 4120301.

It is a happy number.

It is a super-2 number, since 2×10302140² = 212268177159200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10302143) 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, 3800 + ... + 5919.

It is an arithmetic number, because the mean of its divisors is an integer number (918540).

Almost surely, 2^10302140 is an apocalyptic number.

10302140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10302140 is an abundant number, since it is smaller than the sum of its proper divisors (11742820).

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

10302140 is a wasteful number, since it uses less digits than its factorization.

10302140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9781 (or 9779 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 10302140 is about 3209.6946895305. The cubic root of 10302140 is about 217.5917787678.

Adding to 10302140 its reverse (4120301), we get a palindrome (14422441).

The spelling of 10302140 in words is "ten million, three hundred two thousand, one hundred forty".