2135774466 has 60 divisors (see below), whose sum is σ = 5567079078. Its totient is φ = 610219008.

The previous prime is 2135774437. The next prime is 2135774471. The reversal of 2135774466 is 6644775312.

2135774466 is a `hidden beast` number, since 2 + 13 + 577 + 4 + 4 + 66 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2040419241 + 95355225 = 45171^2 + 9765^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 126591 + ... + 142466.

Almost surely, 2^2135774466 is an apocalyptic number.

2135774466 is an abundant number, since it is smaller than the sum of its proper divisors (3431304612).

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

2135774466 is a wasteful number, since it uses less digits than its factorization.

2135774466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269085 (or 269069 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 2135774466 is about 46214.4400160816. The cubic root of 2135774466 is about 1287.8100105714.

The spelling of 2135774466 in words is "two billion, one hundred thirty-five million, seven hundred seventy-four thousand, four hundred sixty-six".