2138110998 has 16 divisors (see below), whose sum is σ = 4308866496. Its totient is φ = 707262920.

The previous prime is 2138110993. The next prime is 2138111047. The reversal of 2138110998 is 8990118312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2138110993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1359336 + ... + 1360907.

It is an arithmetic number, because the mean of its divisors is an integer number (269304156).

Almost surely, 2^2138110998 is an apocalyptic number.

2138110998 is an abundant number, since it is smaller than the sum of its proper divisors (2170755498).

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

2138110998 is a wasteful number, since it uses less digits than its factorization.

2138110998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720379.

The product of its (nonzero) digits is 31104, while the sum is 42.

The square root of 2138110998 is about 46239.7123477212. The cubic root of 2138110998 is about 1288.2794597464.

The spelling of 2138110998 in words is "two billion, one hundred thirty-eight million, one hundred ten thousand, nine hundred ninety-eight".