34873139 has 4 divisors (see below), whose sum is σ = 39855024. Its totient is φ = 29891256.

The previous prime is 34873121. The next prime is 34873147. The reversal of 34873139 is 93137843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93137843 = 37 ⋅2517239.

It is a cyclic number.

It is not a de Polignac number, because 34873139 - 2⁸ = 34872883 is a prime.

It is a super-2 number, since 2×34873139² = 2432271647426642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34873169) 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, 2490932 + ... + 2490945.

It is an arithmetic number, because the mean of its divisors is an integer number (9963756).

Almost surely, 2^34873139 is an apocalyptic number.

34873139 is a deficient number, since it is larger than the sum of its proper divisors (4981885).

34873139 is an equidigital number, since it uses as much as digits as its factorization.

34873139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4981884.

The product of its digits is 54432, while the sum is 38.

The square root of 34873139 is about 5905.3483385826. The cubic root of 34873139 is about 326.7109423304.

The spelling of 34873139 in words is "thirty-four million, eight hundred seventy-three thousand, one hundred thirty-nine".