2013156036 has 36 divisors (see below), whose sum is σ = 5150129712. Its totient is φ = 662966064.

The previous prime is 2013156023. The next prime is 2013156053. The reversal of 2013156036 is 6306513102.

2013156036 is a `hidden beast` number, since 20 + 1 + 31 + 5 + 603 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 333886 + ... + 339861.

Almost surely, 2^2013156036 is an apocalyptic number.

It is an amenable number.

2013156036 is an abundant number, since it is smaller than the sum of its proper divisors (3136973676).

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

2013156036 is a wasteful number, since it uses less digits than its factorization.

2013156036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673840 (or 673835 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 2013156036 is about 44868.2074079186. The cubic root of 2013156036 is about 1262.6776089179.

Adding to 2013156036 its reverse (6306513102), we get a palindrome (8319669138).

It can be divided in two parts, 20131 and 56036, that added together give a palindrome (76167).

The spelling of 2013156036 in words is "two billion, thirteen million, one hundred fifty-six thousand, thirty-six".