34688139 has 8 divisors (see below), whose sum is σ = 46291152. Its totient is φ = 23105280.

The previous prime is 34688123. The next prime is 34688149. The reversal of 34688139 is 93188643.

It is a happy number.

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

It is not a de Polignac number, because 34688139 - 2⁴ = 34688123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34688139.

It is not an unprimeable number, because it can be changed into a prime (34688149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414 + ... + 8339.

It is an arithmetic number, because the mean of its divisors is an integer number (5786394).

Almost surely, 2^34688139 is an apocalyptic number.

34688139 is a deficient number, since it is larger than the sum of its proper divisors (11603013).

34688139 is a wasteful number, since it uses less digits than its factorization.

34688139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10077.

The product of its digits is 124416, while the sum is 42.

The square root of 34688139 is about 5889.6637425238. The cubic root of 34688139 is about 326.1321901085.

The spelling of 34688139 in words is "thirty-four million, six hundred eighty-eight thousand, one hundred thirty-nine".