2140636436 has 12 divisors (see below), whose sum is σ = 3781124928. Its totient is φ = 1060315032.

The previous prime is 2140636429. The next prime is 2140636441. The reversal of 2140636436 is 6346360412.

It is a super-2 number, since 2×2140636436² = 9164648702261564192, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2140636396 and 2140636405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2500316 + ... + 2501171.

It is an arithmetic number, because the mean of its divisors is an integer number (315093744).

Almost surely, 2^2140636436 is an apocalyptic number.

It is an amenable number.

2140636436 is a deficient number, since it is larger than the sum of its proper divisors (1640488492).

2140636436 is a wasteful number, since it uses less digits than its factorization.

2140636436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5001598 (or 5001596 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 2140636436 is about 46267.0123954422. The cubic root of 2140636436 is about 1288.7864789167.

Adding to 2140636436 its reverse (6346360412), we get a palindrome (8486996848).

The spelling of 2140636436 in words is "two billion, one hundred forty million, six hundred thirty-six thousand, four hundred thirty-six".