1968134234 has 32 divisors (see below), whose sum is σ = 3493228032. Its totient is φ = 821440000.

The previous prime is 1968134227. The next prime is 1968134237. The reversal of 1968134234 is 4324318691.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a junction number, because it is equal to n+sod(n) for n = 1968134191 and 1968134200.

It is not an unprimeable number, because it can be changed into a prime (1968134237) 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 15 ways as a sum of consecutive naturals, for example, 48842 + ... + 79509.

It is an arithmetic number, because the mean of its divisors is an integer number (109163376).

Almost surely, 2^1968134234 is an apocalyptic number.

1968134234 is a deficient number, since it is larger than the sum of its proper divisors (1525093798).

1968134234 is a wasteful number, since it uses less digits than its factorization.

1968134234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128422.

The product of its digits is 124416, while the sum is 41.

The square root of 1968134234 is about 44363.6589338616. The cubic root of 1968134234 is about 1253.1938026696.

The spelling of 1968134234 in words is "one billion, nine hundred sixty-eight million, one hundred thirty-four thousand, two hundred thirty-four".