2160738138 has 32 divisors (see below), whose sum is σ = 4655875392. Its totient is φ = 664560000.

The previous prime is 2160738137. The next prime is 2160738149. The reversal of 2160738138 is 8318370612.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 2160738096 and 2160738105.

It is not an unprimeable number, because it can be changed into a prime (2160738137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249318 + ... + 257838.

It is an arithmetic number, because the mean of its divisors is an integer number (145496106).

Almost surely, 2^2160738138 is an apocalyptic number.

2160738138 is an abundant number, since it is smaller than the sum of its proper divisors (2495137254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2160738138 is a wasteful number, since it uses less digits than its factorization.

2160738138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11790.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 2160738138 is about 46483.7405766791. The cubic root of 2160738138 is about 1292.8080444821.

The spelling of 2160738138 in words is "two billion, one hundred sixty million, seven hundred thirty-eight thousand, one hundred thirty-eight".