2541216136 has 16 divisors (see below), whose sum is σ = 4775213340. Its totient is φ = 1267825920.

The previous prime is 2541216127. The next prime is 2541216173. The reversal of 2541216136 is 6316121452.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2460755236 + 80460900 = 49606^2 + 8970^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2541216098 and 2541216107.

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 3 ways as a sum of consecutive naturals, for example, 343885 + ... + 351196.

Almost surely, 2^2541216136 is an apocalyptic number.

It is an amenable number.

2541216136 is a deficient number, since it is larger than the sum of its proper divisors (2233997204).

2541216136 is a wasteful number, since it uses less digits than its factorization.

2541216136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695544 (or 695540 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 2541216136 is about 50410.4764508331. The cubic root of 2541216136 is about 1364.6267118282.

Adding to 2541216136 its reverse (6316121452), we get a palindrome (8857337588).

The spelling of 2541216136 in words is "two billion, five hundred forty-one million, two hundred sixteen thousand, one hundred thirty-six".