2544136135 has 4 divisors (see below), whose sum is σ = 3052963368. Its totient is φ = 2035308904.

The previous prime is 2544136123. The next prime is 2544136159. The reversal of 2544136135 is 5316314452.

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

It is a cyclic number.

It is not a de Polignac number, because 2544136135 - 2⁵ = 2544136103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2544136135.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254413609 + ... + 254413618.

It is an arithmetic number, because the mean of its divisors is an integer number (763240842).

Almost surely, 2^2544136135 is an apocalyptic number.

2544136135 is a deficient number, since it is larger than the sum of its proper divisors (508827233).

2544136135 is an equidigital number, since it uses as much as digits as its factorization.

2544136135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508827232.

The product of its digits is 43200, while the sum is 34.

The square root of 2544136135 is about 50439.4303595907. The cubic root of 2544136135 is about 1365.1491891483.

The spelling of 2544136135 in words is "two billion, five hundred forty-four million, one hundred thirty-six thousand, one hundred thirty-five".