2136423356 has 12 divisors (see below), whose sum is σ = 3901294992. Its totient is φ = 1021767648.

The previous prime is 2136423277. The next prime is 2136423383. The reversal of 2136423356 is 6533246312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11610905 + ... + 11611088.

It is an arithmetic number, because the mean of its divisors is an integer number (325107916).

Almost surely, 2^2136423356 is an apocalyptic number.

It is an amenable number.

2136423356 is a deficient number, since it is larger than the sum of its proper divisors (1764871636).

2136423356 is a wasteful number, since it uses less digits than its factorization.

2136423356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23222020 (or 23222018 counting only the distinct ones).

The product of its digits is 77760, while the sum is 35.

The square root of 2136423356 is about 46221.4599077095. The cubic root of 2136423356 is about 1287.9404179773.

Adding to 2136423356 its reverse (6533246312), we get a palindrome (8669669668).

The spelling of 2136423356 in words is "two billion, one hundred thirty-six million, four hundred twenty-three thousand, three hundred fifty-six".