34139290 has 8 divisors (see below), whose sum is σ = 61450740. Its totient is φ = 13655712.

The previous prime is 34139279. The next prime is 34139299. The reversal of 34139290 is 9293143.

It can be written as a sum of positive squares in 2 ways, for example, as 34093921 + 45369 = 5839^2 + 213^2 .

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

It is a super-2 number, since 2×34139290² = 2330982243408200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (34139299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1706955 + ... + 1706974.

Almost surely, 2^34139290 is an apocalyptic number.

34139290 is a deficient number, since it is larger than the sum of its proper divisors (27311450).

34139290 is a wasteful number, since it uses less digits than its factorization.

34139290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3413936.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 34139290 is about 5842.8837058425. The cubic root of 34139290 is about 324.4029749423.

The spelling of 34139290 in words is "thirty-four million, one hundred thirty-nine thousand, two hundred ninety".