4134749 has 4 divisors (see below), whose sum is σ = 4268160. Its totient is φ = 4001340.

The previous prime is 4134743. The next prime is 4134769. The reversal of 4134749 is 9474314.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4134749 is a prime.

It is a super-2 number, since 2×4134749² = 34192298586002, 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 (4134743) 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, 66659 + ... + 66720.

It is an arithmetic number, because the mean of its divisors is an integer number (1067040).

Almost surely, 2^4134749 is an apocalyptic number.

It is an amenable number.

4134749 is a deficient number, since it is larger than the sum of its proper divisors (133411).

4134749 is a wasteful number, since it uses less digits than its factorization.

4134749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133410.

The product of its digits is 12096, while the sum is 32.

The square root of 4134749 is about 2033.4082226646. The cubic root of 4134749 is about 160.5029615496.

The spelling of 4134749 in words is "four million, one hundred thirty-four thousand, seven hundred forty-nine".