2154133336 has 8 divisors (see below), whose sum is σ = 4039000020. Its totient is φ = 1077066664.

The previous prime is 2154133313. The next prime is 2154133343. The reversal of 2154133336 is 6333314512.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2154133298 and 2154133307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134633326 + ... + 134633341.

Almost surely, 2^2154133336 is an apocalyptic number.

It is an amenable number.

2154133336 is a deficient number, since it is larger than the sum of its proper divisors (1884866684).

2154133336 is a wasteful number, since it uses less digits than its factorization.

2154133336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269266673 (or 269266669 counting only the distinct ones).

The product of its digits is 19440, while the sum is 31.

The square root of 2154133336 is about 46412.6419847007. The cubic root of 2154133336 is about 1291.4894432083.

Adding to 2154133336 its reverse (6333314512), we get a palindrome (8487447848).

The spelling of 2154133336 in words is "two billion, one hundred fifty-four million, one hundred thirty-three thousand, three hundred thirty-six".