34144139 has 4 divisors (see below), whose sum is σ = 34157040. Its totient is φ = 34131240.

The previous prime is 34144093. The next prime is 34144151. The reversal of 34144139 is 93144143.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 93144143 = 29 ⋅3211867.

It is a cyclic number.

It is not a de Polignac number, because 34144139 - 2⁸ = 34143883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34144189) 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, 872 + ... + 8309.

It is an arithmetic number, because the mean of its divisors is an integer number (8539260).

Almost surely, 2^34144139 is an apocalyptic number.

34144139 is a deficient number, since it is larger than the sum of its proper divisors (12901).

34144139 is an equidigital number, since it uses as much as digits as its factorization.

34144139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12900.

The product of its digits is 5184, while the sum is 29.

The square root of 34144139 is about 5843.2986403229. The cubic root of 34144139 is about 324.4183331563.

The spelling of 34144139 in words is "thirty-four million, one hundred forty-four thousand, one hundred thirty-nine".