4140129956 has 12 divisors (see below), whose sum is σ = 7413721392. Its totient is φ = 2021923848.

The previous prime is 4140129953. The next prime is 4140129967. The reversal of 4140129956 is 6599210414.

It is not an unprimeable number, because it can be changed into a prime (4140129953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12035090 + ... + 12035433.

It is an arithmetic number, because the mean of its divisors is an integer number (617810116).

Almost surely, 2^4140129956 is an apocalyptic number.

It is an amenable number.

4140129956 is a deficient number, since it is larger than the sum of its proper divisors (3273591436).

4140129956 is a wasteful number, since it uses less digits than its factorization.

4140129956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24070570 (or 24070568 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 4140129956 is about 64343.8416322806. The cubic root of 4140129956 is about 1605.7255747026.

The spelling of 4140129956 in words is "four billion, one hundred forty million, one hundred twenty-nine thousand, nine hundred fifty-six".