4135881 has 8 divisors (see below), whose sum is σ = 5524480. Its totient is φ = 2752272.

The previous prime is 4135853. The next prime is 4135889. The reversal of 4135881 is 1885314.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4135881 - 2¹⁰ = 4134857 is a prime.

It is a super-2 number, since 2×4135881² = 34211023292322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4135889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1656 + ... + 3318.

It is an arithmetic number, because the mean of its divisors is an integer number (690560).

Almost surely, 2^4135881 is an apocalyptic number.

It is an amenable number.

4135881 is a deficient number, since it is larger than the sum of its proper divisors (1388599).

4135881 is a wasteful number, since it uses less digits than its factorization.

4135881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495.

The product of its digits is 3840, while the sum is 30.

The square root of 4135881 is about 2033.6865540196. The cubic root of 4135881 is about 160.5176075636.

The spelling of 4135881 in words is "four million, one hundred thirty-five thousand, eight hundred eighty-one".