2135564634 has 16 divisors (see below), whose sum is σ = 4881290688. Its totient is φ = 610161312.

The previous prime is 2135564623. The next prime is 2135564659. The reversal of 2135564634 is 4364655312.

It is a junction number, because it is equal to n+sod(n) for n = 2135564592 and 2135564601.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25423347 + ... + 25423430.

It is an arithmetic number, because the mean of its divisors is an integer number (305080668).

Almost surely, 2^2135564634 is an apocalyptic number.

2135564634 is an abundant number, since it is smaller than the sum of its proper divisors (2745726054).

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

2135564634 is a wasteful number, since it uses less digits than its factorization.

2135564634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50846789.

The product of its digits is 259200, while the sum is 39.

The square root of 2135564634 is about 46212.1697607892. The cubic root of 2135564634 is about 1287.7678349883.

The spelling of 2135564634 in words is "two billion, one hundred thirty-five million, five hundred sixty-four thousand, six hundred thirty-four".