4129158436 has 12 divisors (see below), whose sum is σ = 7781875612. Its totient is φ = 1905765408.

The previous prime is 4129158433. The next prime is 4129158443. The reversal of 4129158436 is 6348519214.

It can be written as a sum of positive squares in 2 ways, for example, as 637057600 + 3492100836 = 25240^2 + 59094^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4129158392 and 4129158401.

It is not an unprimeable number, because it can be changed into a prime (4129158433) 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, 39703395 + ... + 39703498.

Almost surely, 2^4129158436 is an apocalyptic number.

It is an amenable number.

4129158436 is a deficient number, since it is larger than the sum of its proper divisors (3652717176).

4129158436 is a wasteful number, since it uses less digits than its factorization.

4129158436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79406910 (or 79406908 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 4129158436 is about 64258.5281188419. The cubic root of 4129158436 is about 1604.3059062743.

The spelling of 4129158436 in words is "four billion, one hundred twenty-nine million, one hundred fifty-eight thousand, four hundred thirty-six".