34134156642 has 16 divisors (see below), whose sum is σ = 68625741312. Its totient is φ = 11318480880.

The previous prime is 34134156631. The next prime is 34134156643. The reversal of 34134156642 is 24665143143.

It is a self number, because there is not a number n which added to its sum of digits gives 34134156642.

It is not an unprimeable number, because it can be changed into a prime (34134156643) 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, 14891593 + ... + 14893884.

It is an arithmetic number, because the mean of its divisors is an integer number (4289108832).

Almost surely, 2^34134156642 is an apocalyptic number.

34134156642 is an abundant number, since it is smaller than the sum of its proper divisors (34491584670).

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

34134156642 is a wasteful number, since it uses less digits than its factorization.

34134156642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29785673.

The product of its digits is 207360, while the sum is 39.

Adding to 34134156642 its reverse (24665143143), we get a palindrome (58799299785).

The spelling of 34134156642 in words is "thirty-four billion, one hundred thirty-four million, one hundred fifty-six thousand, six hundred forty-two".