34509140 has 24 divisors (see below), whose sum is σ = 72748032. Its totient is φ = 13750560.

The previous prime is 34509121. The next prime is 34509179. The reversal of 34509140 is 4190543.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2237 + ... + 8603.

It is an arithmetic number, because the mean of its divisors is an integer number (3031168).

Almost surely, 2^34509140 is an apocalyptic number.

It is an amenable number.

34509140 is an abundant number, since it is smaller than the sum of its proper divisors (38238892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34509140 is a wasteful number, since it uses less digits than its factorization.

34509140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6647 (or 6645 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 34509140 is about 5874.4480591797. The cubic root of 34509140 is about 325.5702493408.

Adding to 34509140 its reverse (4190543), we get a palindrome (38699683).

The spelling of 34509140 in words is "thirty-four million, five hundred nine thousand, one hundred forty".