2136193838 has 8 divisors (see below), whose sum is σ = 3235400688. Its totient is φ = 1057726944.

The previous prime is 2136193823. The next prime is 2136193847. The reversal of 2136193838 is 8383916312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2136193838² = 9126648227018340488, which contains 22 as substring.

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, 5184731 + ... + 5185142.

It is an arithmetic number, because the mean of its divisors is an integer number (404425086).

Almost surely, 2^2136193838 is an apocalyptic number.

2136193838 is a deficient number, since it is larger than the sum of its proper divisors (1099206850).

2136193838 is a wasteful number, since it uses less digits than its factorization.

2136193838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10369978.

The product of its digits is 186624, while the sum is 44.

The square root of 2136193838 is about 46218.9770332490. The cubic root of 2136193838 is about 1287.8942947695.

The spelling of 2136193838 in words is "two billion, one hundred thirty-six million, one hundred ninety-three thousand, eight hundred thirty-eight".