2134391946 has 32 divisors (see below), whose sum is σ = 4397065728. Its totient is φ = 690303600.

The previous prime is 2134391933. The next prime is 2134391947. The reversal of 2134391946 is 6491934312.

It is a junction number, because it is equal to n+sod(n) for n = 2134391898 and 2134391907.

It is not an unprimeable number, because it can be changed into a prime (2134391947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11565 + ... + 66351.

It is an arithmetic number, because the mean of its divisors is an integer number (137408304).

Almost surely, 2^2134391946 is an apocalyptic number.

2134391946 is an abundant number, since it is smaller than the sum of its proper divisors (2262673782).

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

2134391946 is a wasteful number, since it uses less digits than its factorization.

2134391946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54986.

The product of its digits is 139968, while the sum is 42.

The square root of 2134391946 is about 46199.4799321378. The cubic root of 2134391946 is about 1287.5320774488.

The spelling of 2134391946 in words is "two billion, one hundred thirty-four million, three hundred ninety-one thousand, nine hundred forty-six".