4135923988 has 36 divisors (see below), whose sum is σ = 8438490900. Its totient is φ = 1768553472.

The previous prime is 4135923949. The next prime is 4135923991. The reversal of 4135923988 is 8893295314.

It can be written as a sum of positive squares in 2 ways, for example, as 2236533264 + 1899390724 = 47292^2 + 43582^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64506 + ... + 111502.

It is an arithmetic number, because the mean of its divisors is an integer number (234402525).

Almost surely, 2^4135923988 is an apocalyptic number.

It is an amenable number.

4135923988 is an abundant number, since it is smaller than the sum of its proper divisors (4302566912).

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

4135923988 is a wasteful number, since it uses less digits than its factorization.

4135923988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47464 (or 47455 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 52.

The square root of 4135923988 is about 64311.1497953504. The cubic root of 4135923988 is about 1605.1816369714.

The spelling of 4135923988 in words is "four billion, one hundred thirty-five million, nine hundred twenty-three thousand, nine hundred eighty-eight".