2129342134 has 16 divisors (see below), whose sum is σ = 3273285456. Its totient is φ = 1038268800.

The previous prime is 2129342129. The next prime is 2129342147. The reversal of 2129342134 is 4312439212.

It is a junction number, because it is equal to n+sod(n) for n = 2129342096 and 2129342105.

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, 287194 + ... + 294514.

It is an arithmetic number, because the mean of its divisors is an integer number (204580341).

Almost surely, 2^2129342134 is an apocalyptic number.

2129342134 is a deficient number, since it is larger than the sum of its proper divisors (1143943322).

2129342134 is a wasteful number, since it uses less digits than its factorization.

2129342134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10911.

The product of its digits is 10368, while the sum is 31.

The square root of 2129342134 is about 46144.7953078134. The cubic root of 2129342134 is about 1286.5158740152.

The spelling of 2129342134 in words is "two billion, one hundred twenty-nine million, three hundred forty-two thousand, one hundred thirty-four".