2194347856134 has 32 divisors (see below), whose sum is σ = 5177447479296. Its totient is φ = 606732125760.

The previous prime is 2194347856133. The next prime is 2194347856153. The reversal of 2194347856134 is 4316587434912.

It is a super-2 number, since 2×2194347856134² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2194347856133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 842682207 + ... + 842684810.

It is an arithmetic number, because the mean of its divisors is an integer number (161795233728).

Almost surely, 2^{2194347856134} is an apocalyptic number.

2194347856134 is an abundant number, since it is smaller than the sum of its proper divisors (2983099623162).

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

2194347856134 is a wasteful number, since it uses less digits than its factorization.

2194347856134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685367060.

The product of its digits is 17418240, while the sum is 57.

The spelling of 2194347856134 in words is "two trillion, one hundred ninety-four billion, three hundred forty-seven million, eight hundred fifty-six thousand, one hundred thirty-four".