34140856 has 16 divisors (see below), whose sum is σ = 64227240. Its totient is φ = 17013600.

The previous prime is 34140833. The next prime is 34140857. The reversal of 34140856 is 65804143.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34140857) 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, 4495 + ... + 9406.

Almost surely, 2^34140856 is an apocalyptic number.

It is an amenable number.

34140856 is a deficient number, since it is larger than the sum of its proper divisors (30086384).

34140856 is a wasteful number, since it uses less digits than its factorization.

34140856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14214 (or 14210 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 34140856 is about 5843.0177134765. The cubic root of 34140856 is about 324.4079350854.

Adding to 34140856 its reverse (65804143), we get a palindrome (99944999).

The spelling of 34140856 in words is "thirty-four million, one hundred forty thousand, eight hundred fifty-six".