2135090859 has 12 divisors (see below), whose sum is σ = 3129114408. Its totient is φ = 1293994240.

The previous prime is 2135090833. The next prime is 2135090861. The reversal of 2135090859 is 9580905312.

It is not a de Polignac number, because 2135090859 - 2⁷ = 2135090731 is a prime.

It is a super-2 number, since 2×2135090859² = 9117225952370715762, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2135090859.

It is not an unprimeable number, because it can be changed into a prime (2135090899) 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 11 ways as a sum of consecutive naturals, for example, 2940534 + ... + 2941259.

It is an arithmetic number, because the mean of its divisors is an integer number (260759534).

Almost surely, 2^2135090859 is an apocalyptic number.

2135090859 is a deficient number, since it is larger than the sum of its proper divisors (994023549).

2135090859 is a wasteful number, since it uses less digits than its factorization.

2135090859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5881818 (or 5881807 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 42.

The square root of 2135090859 is about 46207.0433916735. The cubic root of 2135090859 is about 1287.6725975166.

The spelling of 2135090859 in words is "two billion, one hundred thirty-five million, ninety thousand, eight hundred fifty-nine".