103140140 has 12 divisors (see below), whose sum is σ = 216594336. Its totient is φ = 41256048.

The previous prime is 103140077. The next prime is 103140181. The reversal of 103140140 is 41041301.

It is a happy number.

It is an unprimeable number.

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, 2578484 + ... + 2578523.

It is an arithmetic number, because the mean of its divisors is an integer number (18049528).

Almost surely, 2^103140140 is an apocalyptic number.

103140140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103140140 is an abundant number, since it is smaller than the sum of its proper divisors (113454196).

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

103140140 is a wasteful number, since it uses less digits than its factorization.

103140140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5157016 (or 5157014 counting only the distinct ones).

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

The square root of 103140140 is about 10155.7934205063. The cubic root of 103140140 is about 468.9673116244.

Adding to 103140140 its reverse (41041301), we get a palindrome (144181441).

The spelling of 103140140 in words is "one hundred three million, one hundred forty thousand, one hundred forty".