2134253405 has 8 divisors (see below), whose sum is σ = 2649418200. Its totient is φ = 1648526656.

The previous prime is 2134253393. The next prime is 2134253419. The reversal of 2134253405 is 5043524312.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 445125604 + 1689127801 = 21098^2 + 41099^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2134253405 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 7359350 + ... + 7359639.

It is an arithmetic number, because the mean of its divisors is an integer number (331177275).

Almost surely, 2^2134253405 is an apocalyptic number.

It is an amenable number.

2134253405 is a deficient number, since it is larger than the sum of its proper divisors (515164795).

2134253405 is a wasteful number, since it uses less digits than its factorization.

2134253405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14719023.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 2134253405 is about 46197.9805294560. The cubic root of 2134253405 is about 1287.5042194225.

Adding to 2134253405 its reverse (5043524312), we get a palindrome (7177777717).

It can be divided in two parts, 21342 and 53405, that added together give a palindrome (74747).

The spelling of 2134253405 in words is "two billion, one hundred thirty-four million, two hundred fifty-three thousand, four hundred five".