2135142434 has 4 divisors (see below), whose sum is σ = 3202713654. Its totient is φ = 1067571216.

The previous prime is 2135142419. The next prime is 2135142473. The reversal of 2135142434 is 4342415312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1489728409 + 645414025 = 38597^2 + 25405^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2135142397 and 2135142406.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533785607 + ... + 533785610.

Almost surely, 2^2135142434 is an apocalyptic number.

2135142434 is a deficient number, since it is larger than the sum of its proper divisors (1067571220).

2135142434 is a wasteful number, since it uses less digits than its factorization.

2135142434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067571219.

The product of its digits is 11520, while the sum is 29.

The square root of 2135142434 is about 46207.6014742163. The cubic root of 2135142434 is about 1287.6829657216.

Adding to 2135142434 its reverse (4342415312), we get a palindrome (6477557746).

The spelling of 2135142434 in words is "two billion, one hundred thirty-five million, one hundred forty-two thousand, four hundred thirty-four".