236776138 has 16 divisors (see below), whose sum is σ = 374256000. Its totient is φ = 112037472.

The previous prime is 236776123. The next prime is 236776139. The reversal of 236776138 is 831677632.

It is a junction number, because it is equal to n+sod(n) for n = 236776094 and 236776103.

It is not an unprimeable number, because it can be changed into a prime (236776139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40143 + ... + 45661.

It is an arithmetic number, because the mean of its divisors is an integer number (23391000).

Almost surely, 2^236776138 is an apocalyptic number.

236776138 is a deficient number, since it is larger than the sum of its proper divisors (137479862).

236776138 is a wasteful number, since it uses less digits than its factorization.

236776138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6669.

The product of its digits is 254016, while the sum is 43.

The square root of 236776138 is about 15387.5319008605. The cubic root of 236776138 is about 618.6513679059.

The spelling of 236776138 in words is "two hundred thirty-six million, seven hundred seventy-six thousand, one hundred thirty-eight".