2135766406 has 16 divisors (see below), whose sum is σ = 3393290880. Its totient is φ = 1004713600.

The previous prime is 2135766403. The next prime is 2135766431. The reversal of 2135766406 is 6046675312.

It is a super-2 number, since 2×2135766406² = 9122996281996313672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135766403) 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, 104856 + ... + 123556.

It is an arithmetic number, because the mean of its divisors is an integer number (212080680).

Almost surely, 2^2135766406 is an apocalyptic number.

2135766406 is a deficient number, since it is larger than the sum of its proper divisors (1257524474).

2135766406 is a wasteful number, since it uses less digits than its factorization.

2135766406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22079.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 2135766406 is about 46214.3528138175. The cubic root of 2135766406 is about 1287.8083905873.

The spelling of 2135766406 in words is "two billion, one hundred thirty-five million, seven hundred sixty-six thousand, four hundred six".