2154012036 has 24 divisors (see below), whose sum is σ = 5482940064. Its totient is φ = 652730880.

The previous prime is 2154012023. The next prime is 2154012041. The reversal of 2154012036 is 6302104512.

It is a junction number, because it is equal to n+sod(n) for n = 2154011997 and 2154012015.

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, 8159005 + ... + 8159268.

It is an arithmetic number, because the mean of its divisors is an integer number (228455836).

Almost surely, 2^2154012036 is an apocalyptic number.

It is an amenable number.

2154012036 is an abundant number, since it is smaller than the sum of its proper divisors (3328928028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2154012036 is a wasteful number, since it uses less digits than its factorization.

2154012036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16318291 (or 16318289 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2154012036 is about 46411.3352102695. The cubic root of 2154012036 is about 1291.4652013462.

Adding to 2154012036 its reverse (6302104512), we get a palindrome (8456116548).

The spelling of 2154012036 in words is "two billion, one hundred fifty-four million, twelve thousand, thirty-six".