4140136512 has 84 divisors (see below), whose sum is σ = 12276208620. Its totient is φ = 1332452352.

The previous prime is 4140136501. The next prime is 4140136519. The reversal of 4140136512 is 2156310414.

It is a happy number.

4140136512 is a `hidden beast` number, since 4 + 1 + 4 + 0 + 1 + 3 + 651 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1311598656 + 2828537856 = 36216^2 + 53184^2 .

It is a super-2 number, since 2×4140136512² = 34281460675991052288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4140136519) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107223 + ... + 140630.

Almost surely, 2^4140136512 is an apocalyptic number.

It is an amenable number.

4140136512 is an abundant number, since it is smaller than the sum of its proper divisors (8136072108).

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

4140136512 is a wasteful number, since it uses less digits than its factorization.

4140136512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247900 (or 247887 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 4140136512 is about 64343.8925773068. The cubic root of 4140136512 is about 1605.7264222711.

Adding to 4140136512 its reverse (2156310414), we get a palindrome (6296446926).

The spelling of 4140136512 in words is "four billion, one hundred forty million, one hundred thirty-six thousand, five hundred twelve".