2136442238 has 24 divisors (see below), whose sum is σ = 3856426200. Its totient is φ = 884043888.

The previous prime is 2136442201. The next prime is 2136442277. The reversal of 2136442238 is 8322446312.

It is a junction number, because it is equal to n+sod(n) for n = 2136442198 and 2136442207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 373028 + ... + 378711.

It is an arithmetic number, because the mean of its divisors is an integer number (160684425).

Almost surely, 2^2136442238 is an apocalyptic number.

2136442238 is a deficient number, since it is larger than the sum of its proper divisors (1719983962).

2136442238 is a wasteful number, since it uses less digits than its factorization.

2136442238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751784 (or 751777 counting only the distinct ones).

The product of its digits is 55296, while the sum is 35.

The square root of 2136442238 is about 46221.6641630307. The cubic root of 2136442238 is about 1287.9442122970.

The spelling of 2136442238 in words is "two billion, one hundred thirty-six million, four hundred forty-two thousand, two hundred thirty-eight".