2134779194 has 8 divisors (see below), whose sum is σ = 3213985728. Its totient is φ = 1063450620.

The previous prime is 2134779191. The next prime is 2134779197. The reversal of 2134779194 is 4919774312.

It is an interprime number because it is at equal distance from previous prime (2134779191) and next prime (2134779197).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2134779191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1968812 + ... + 1969895.

It is an arithmetic number, because the mean of its divisors is an integer number (401748216).

Almost surely, 2^2134779194 is an apocalyptic number.

2134779194 is a deficient number, since it is larger than the sum of its proper divisors (1079206534).

2134779194 is a wasteful number, since it uses less digits than its factorization.

2134779194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3938980.

The product of its digits is 381024, while the sum is 47.

The square root of 2134779194 is about 46203.6707849063. The cubic root of 2134779194 is about 1287.6099394479.

The spelling of 2134779194 in words is "two billion, one hundred thirty-four million, seven hundred seventy-nine thousand, one hundred ninety-four".