4131205140 has 48 divisors (see below), whose sum is σ = 11574182592. Its totient is φ = 1101006336.

The previous prime is 4131205129. The next prime is 4131205157. The reversal of 4131205140 is 415021314.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87247 + ... + 125993.

It is an arithmetic number, because the mean of its divisors is an integer number (241128804).

Almost surely, 2^4131205140 is an apocalyptic number.

It is an amenable number.

4131205140 is an abundant number, since it is smaller than the sum of its proper divisors (7442977452).

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

4131205140 is a wasteful number, since it uses less digits than its factorization.

4131205140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40536 (or 40534 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 4131205140 is about 64274.4516896099. The cubic root of 4131205140 is about 1604.5709317831.

Adding to 4131205140 its reverse (415021314), we get a palindrome (4546226454).

The spelling of 4131205140 in words is "four billion, one hundred thirty-one million, two hundred five thousand, one hundred forty".