2136991048 has 16 divisors (see below), whose sum is σ = 4013811180. Its totient is φ = 1066641408.

The previous prime is 2136991039. The next prime is 2136991049. The reversal of 2136991048 is 8401996312.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1367372484 + 769618564 = 36978^2 + 27742^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2136990995 and 2136991013.

It is not an unprimeable number, because it can be changed into a prime (2136991049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226861 + ... + 236092.

Almost surely, 2^2136991048 is an apocalyptic number.

It is an amenable number.

2136991048 is a deficient number, since it is larger than the sum of its proper divisors (1876820132).

2136991048 is a wasteful number, since it uses less digits than its factorization.

2136991048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463536 (or 463532 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 2136991048 is about 46227.6005001341. The cubic root of 2136991048 is about 1288.0544853692.

The spelling of 2136991048 in words is "two billion, one hundred thirty-six million, nine hundred ninety-one thousand, forty-eight".