34139738 has 8 divisors (see below), whose sum is σ = 52175988. Its totient is φ = 16747744.

The previous prime is 34139731. The next prime is 34139747. The reversal of 34139738 is 83793143.

It can be written as a sum of positive squares in 2 ways, for example, as 34070569 + 69169 = 5837^2 + 263^2 .

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

It is not an unprimeable number, because it can be changed into a prime (34139731) 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, 160931 + ... + 161142.

Almost surely, 2^34139738 is an apocalyptic number.

34139738 is a deficient number, since it is larger than the sum of its proper divisors (18036250).

34139738 is a wasteful number, since it uses less digits than its factorization.

34139738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322128.

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

The square root of 34139738 is about 5842.9220429508. The cubic root of 34139738 is about 324.4043939515.

The spelling of 34139738 in words is "thirty-four million, one hundred thirty-nine thousand, seven hundred thirty-eight".