2142134405 has 8 divisors (see below), whose sum is σ = 2580048384. Its totient is φ = 1707382800.

The previous prime is 2142134399. The next prime is 2142134431. The reversal of 2142134405 is 5044312412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2142134405 - 2¹⁰ = 2142133381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 789101 + ... + 791810.

It is an arithmetic number, because the mean of its divisors is an integer number (322506048).

Almost surely, 2^2142134405 is an apocalyptic number.

It is an amenable number.

2142134405 is a deficient number, since it is larger than the sum of its proper divisors (437913979).

2142134405 is a wasteful number, since it uses less digits than its factorization.

2142134405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581187.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2142134405 is about 46283.1978692052. The cubic root of 2142134405 is about 1289.0870300385.

Adding to 2142134405 its reverse (5044312412), we get a palindrome (7186446817).

The spelling of 2142134405 in words is "two billion, one hundred forty-two million, one hundred thirty-four thousand, four hundred five".