2109132342 has 24 divisors (see below), whose sum is σ = 4611715680. Its totient is φ = 696593520.

The previous prime is 2109132323. The next prime is 2109132343. The reversal of 2109132342 is 2432319012.

It is a happy number.

2109132342 is a `hidden beast` number, since 210 + 91 + 323 + 42 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2109132343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 535534 + ... + 539457.

It is an arithmetic number, because the mean of its divisors is an integer number (192154820).

Almost surely, 2^2109132342 is an apocalyptic number.

2109132342 is an abundant number, since it is smaller than the sum of its proper divisors (2502583338).

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

2109132342 is a wasteful number, since it uses less digits than its factorization.

2109132342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075108 (or 1075105 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2109132342 is about 45925.2908755078. The cubic root of 2109132342 is about 1282.4327801254.

The spelling of 2109132342 in words is "two billion, one hundred nine million, one hundred thirty-two thousand, three hundred forty-two".