4135512042 has 12 divisors (see below), whose sum is σ = 8960276130. Its totient is φ = 1378504008.

The previous prime is 4135511951. The next prime is 4135512053. The reversal of 4135512042 is 2402155314.

It can be written as a sum of positive squares in only one way, i.e., 3971646441 + 163865601 = 63021^2 + 12801^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4135511997 and 4135512015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 114875317 + ... + 114875352.

Almost surely, 2^4135512042 is an apocalyptic number.

4135512042 is an abundant number, since it is smaller than the sum of its proper divisors (4824764088).

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

4135512042 is a wasteful number, since it uses less digits than its factorization.

4135512042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229750677 (or 229750674 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 4135512042 is about 64307.9469583659. The cubic root of 4135512042 is about 1605.1283421404.

Adding to 4135512042 its reverse (2402155314), we get a palindrome (6537667356).

The spelling of 4135512042 in words is "four billion, one hundred thirty-five million, five hundred twelve thousand, forty-two".