4135491 has 12 divisors (see below), whose sum is σ = 5991232. Its totient is φ = 2748816.

The previous prime is 4135463. The next prime is 4135499. The reversal of 4135491 is 1945314.

It is not a de Polignac number, because 4135491 - 2⁶ = 4135427 is a prime.

It is a super-2 number, since 2×4135491² = 34204571622162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4135499) 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, 5085 + ... + 5841.

Almost surely, 2^4135491 is an apocalyptic number.

4135491 is a deficient number, since it is larger than the sum of its proper divisors (1855741).

4135491 is a wasteful number, since it uses less digits than its factorization.

4135491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370 (or 1367 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 4135491 is about 2033.5906667764. The cubic root of 4135491 is about 160.5125619772.

The spelling of 4135491 in words is "four million, one hundred thirty-five thousand, four hundred ninety-one".