2138100088 has 16 divisors (see below), whose sum is σ = 4016915280. Its totient is φ = 1066922688.

The previous prime is 2138100071. The next prime is 2138100089. The reversal of 2138100088 is 8800018312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2138100089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261645 + ... + 269692.

It is an arithmetic number, because the mean of its divisors is an integer number (251057205).

Almost surely, 2^2138100088 is an apocalyptic number.

It is an amenable number.

2138100088 is a deficient number, since it is larger than the sum of its proper divisors (1878815192).

2138100088 is a wasteful number, since it uses less digits than its factorization.

2138100088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531846 (or 531842 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 2138100088 is about 46239.5943753835. The cubic root of 2138100088 is about 1288.2772685360.

The spelling of 2138100088 in words is "two billion, one hundred thirty-eight million, one hundred thousand, eighty-eight".