34930139 has 4 divisors (see below), whose sum is σ = 34942320. Its totient is φ = 34917960.

The previous prime is 34930111. The next prime is 34930157. The reversal of 34930139 is 93103943.

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: 93103943 = 31 ⋅3003353.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34930139 is a prime.

It is a super-2 number, since 2×34930139² = 2440229221118642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34930039) 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, 842 + ... + 8400.

It is an arithmetic number, because the mean of its divisors is an integer number (8735580).

Almost surely, 2^34930139 is an apocalyptic number.

34930139 is a deficient number, since it is larger than the sum of its proper divisors (12181).

34930139 is an equidigital number, since it uses as much as digits as its factorization.

34930139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12180.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 34930139 is about 5910.1725017126. The cubic root of 34930139 is about 326.8888479937. Note that the first 4 decimals are identical.

The spelling of 34930139 in words is "thirty-four million, nine hundred thirty thousand, one hundred thirty-nine".