2134123442 has 16 divisors (see below), whose sum is σ = 3494320992. Its totient is φ = 969467520.

The previous prime is 2134123429. The next prime is 2134123447. The reversal of 2134123442 is 2443214312.

It is not an unprimeable number, because it can be changed into a prime (2134123447) 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, 8753 + ... + 65915.

It is an arithmetic number, because the mean of its divisors is an integer number (218395062).

Almost surely, 2^2134123442 is an apocalyptic number.

2134123442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2134123442 is a deficient number, since it is larger than the sum of its proper divisors (1360197550).

2134123442 is a wasteful number, since it uses less digits than its factorization.

2134123442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58873.

The product of its digits is 4608, while the sum is 26.

The square root of 2134123442 is about 46196.5739205842. The cubic root of 2134123442 is about 1287.4780851770.

Adding to 2134123442 its reverse (2443214312), we get a palindrome (4577337754).

The spelling of 2134123442 in words is "two billion, one hundred thirty-four million, one hundred twenty-three thousand, four hundred forty-two".