2021131136 has 32 divisors (see below), whose sum is σ = 4039255080. Its totient is φ = 1007357440.

The previous prime is 2021131129. The next prime is 2021131157. The reversal of 2021131136 is 6311311202.

It is a tau number, because it is divible by the number of its divisors (32).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15671 + ... + 65481.

Almost surely, 2^2021131136 is an apocalyptic number.

It is an amenable number.

2021131136 is a deficient number, since it is larger than the sum of its proper divisors (2018123944).

2021131136 is an equidigital number, since it uses as much as digits as its factorization.

2021131136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50142 (or 50130 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 2021131136 is about 44956.9920701997. The cubic root of 2021131136 is about 1264.3427740993.

Adding to 2021131136 its reverse (6311311202), we get a palindrome (8332442338).

The spelling of 2021131136 in words is "two billion, twenty-one million, one hundred thirty-one thousand, one hundred thirty-six".