2135443746 has 16 divisors (see below), whose sum is σ = 4522116384. Its totient is φ = 669943104.

The previous prime is 2135443679. The next prime is 2135443747. The reversal of 2135443746 is 6473445312.

It is not an unprimeable number, because it can be changed into a prime (2135443747) 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, 10467760 + ... + 10467963.

It is an arithmetic number, because the mean of its divisors is an integer number (282632274).

Almost surely, 2^2135443746 is an apocalyptic number.

2135443746 is an abundant number, since it is smaller than the sum of its proper divisors (2386672638).

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

2135443746 is a wasteful number, since it uses less digits than its factorization.

2135443746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20935745.

The product of its digits is 241920, while the sum is 39.

The square root of 2135443746 is about 46210.8617751282. The cubic root of 2135443746 is about 1287.7435356199.

The spelling of 2135443746 in words is "two billion, one hundred thirty-five million, four hundred forty-three thousand, seven hundred forty-six".