2281363138 has 16 divisors (see below), whose sum is σ = 3449417400. Its totient is φ = 1131577216.

The previous prime is 2281363081. The next prime is 2281363289. The reversal of 2281363138 is 8313631822.

It can be written as a sum of positive squares in 4 ways, for example, as 1789543809 + 491819329 = 42303^2 + 22177^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2281363097 and 2281363106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250920 + ... + 259852.

Almost surely, 2^2281363138 is an apocalyptic number.

2281363138 is a deficient number, since it is larger than the sum of its proper divisors (1168054262).

2281363138 is a wasteful number, since it uses less digits than its factorization.

2281363138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9941.

The product of its digits is 41472, while the sum is 37.

The square root of 2281363138 is about 47763.6173043877. The cubic root of 2281363138 is about 1316.4311190096.

The spelling of 2281363138 in words is "two billion, two hundred eighty-one million, three hundred sixty-three thousand, one hundred thirty-eight".