2105127135 has 48 divisors (see below), whose sum is σ = 3930326400. Its totient is φ = 1038889152.

The previous prime is 2105127131. The next prime is 2105127151. The reversal of 2105127135 is 5317215012.

2105127135 is a `hidden beast` number, since 2 + 10 + 512 + 7 + 135 = 666.

It is not a de Polignac number, because 2105127135 - 2² = 2105127131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2105127099 and 2105127108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105127131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8136 + ... + 65394.

It is an arithmetic number, because the mean of its divisors is an integer number (81881800).

Almost surely, 2^2105127135 is an apocalyptic number.

2105127135 is a deficient number, since it is larger than the sum of its proper divisors (1825199265).

2105127135 is a wasteful number, since it uses less digits than its factorization.

2105127135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57332 (or 57329 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 2105127135 is about 45881.6644750384. The cubic root of 2105127135 is about 1281.6204929432.

The spelling of 2105127135 in words is "two billion, one hundred five million, one hundred twenty-seven thousand, one hundred thirty-five".