2306236138 has 16 divisors (see below), whose sum is σ = 3535113600. Its totient is φ = 1127894976.

The previous prime is 2306236087. The next prime is 2306236139. The reversal of 2306236138 is 8316326032.

It is not an unprimeable number, because it can be changed into a prime (2306236139) 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, 169513 + ... + 182611.

It is an arithmetic number, because the mean of its divisors is an integer number (220944600).

Almost surely, 2^2306236138 is an apocalyptic number.

2306236138 is a deficient number, since it is larger than the sum of its proper divisors (1228877462).

2306236138 is a wasteful number, since it uses less digits than its factorization.

2306236138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15021.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 2306236138 is about 48023.2874551503. The cubic root of 2306236138 is about 1321.1980510385.

The spelling of 2306236138 in words is "two billion, three hundred six million, two hundred thirty-six thousand, one hundred thirty-eight".