34140213520 has 40 divisors (see below), whose sum is σ = 90715425984. Its totient is φ = 11705215872.

The previous prime is 34140213511. The next prime is 34140213521. The reversal of 34140213520 is 2531204143.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (34140213521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30481774 + ... + 30482893.

Almost surely, 2^34140213520 is an apocalyptic number.

It is an amenable number.

34140213520 is an abundant number, since it is smaller than the sum of its proper divisors (56575212464).

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

34140213520 is a wasteful number, since it uses less digits than its factorization.

34140213520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60964687 (or 60964681 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 34140213520 its reverse (2531204143), we get a palindrome (36671417663).

The spelling of 34140213520 in words is "thirty-four billion, one hundred forty million, two hundred thirteen thousand, five hundred twenty".