2138127108 has 48 divisors (see below), whose sum is σ = 5407012800. Its totient is φ = 653687424.

The previous prime is 2138127097. The next prime is 2138127119. The reversal of 2138127108 is 8017218312.

It is an interprime number because it is at equal distance from previous prime (2138127097) and next prime (2138127119).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19158 + ... + 68141.

It is an arithmetic number, because the mean of its divisors is an integer number (112646100).

Almost surely, 2^2138127108 is an apocalyptic number.

It is an amenable number.

2138127108 is an abundant number, since it is smaller than the sum of its proper divisors (3268885692).

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

2138127108 is a wasteful number, since it uses less digits than its factorization.

2138127108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87476 (or 87474 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 2138127108 is about 46239.8865483037. The cubic root of 2138127108 is about 1288.2826953330.

The spelling of 2138127108 in words is "two billion, one hundred thirty-eight million, one hundred twenty-seven thousand, one hundred eight".