2135876491 has 8 divisors (see below), whose sum is σ = 2445691104. Its totient is φ = 1827234240.

The previous prime is 2135876461. The next prime is 2135876527. The reversal of 2135876491 is 1946785312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2135876491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2135876401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289180 + ... + 296473.

It is an arithmetic number, because the mean of its divisors is an integer number (305711388).

Almost surely, 2^2135876491 is an apocalyptic number.

2135876491 is a deficient number, since it is larger than the sum of its proper divisors (309814613).

2135876491 is an equidigital number, since it uses as much as digits as its factorization.

2135876491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586181.

The product of its digits is 362880, while the sum is 46.

The square root of 2135876491 is about 46215.5438245619. The cubic root of 2135876491 is about 1287.8305162827.

The spelling of 2135876491 in words is "two billion, one hundred thirty-five million, eight hundred seventy-six thousand, four hundred ninety-one".