2135442254 has 32 divisors (see below), whose sum is σ = 3611768832. Its totient is φ = 938124000.

The previous prime is 2135442203. The next prime is 2135442259. The reversal of 2135442254 is 4522445312.

It is a super-2 number, since 2×2135442254² = 9120227240337201032, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2135442254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135442259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 701624 + ... + 704660.

It is an arithmetic number, because the mean of its divisors is an integer number (112867776).

Almost surely, 2^2135442254 is an apocalyptic number.

2135442254 is a deficient number, since it is larger than the sum of its proper divisors (1476326578).

2135442254 is a wasteful number, since it uses less digits than its factorization.

2135442254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4112.

The product of its digits is 38400, while the sum is 32.

The square root of 2135442254 is about 46210.8456317345. The cubic root of 2135442254 is about 1287.7432357113.

Adding to 2135442254 its reverse (4522445312), we get a palindrome (6657887566).

The spelling of 2135442254 in words is "two billion, one hundred thirty-five million, four hundred forty-two thousand, two hundred fifty-four".