2194987134 has 16 divisors (see below), whose sum is σ = 4455497088. Its totient is φ = 720741912.

The previous prime is 2194987127. The next prime is 2194987139. The reversal of 2194987134 is 4317894912.

2194987134 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2194987139) 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, 2729682 + ... + 2730485.

It is an arithmetic number, because the mean of its divisors is an integer number (278468568).

Almost surely, 2^2194987134 is an apocalyptic number.

2194987134 is an abundant number, since it is smaller than the sum of its proper divisors (2260509954).

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

2194987134 is a wasteful number, since it uses less digits than its factorization.

2194987134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5460239.

The product of its digits is 435456, while the sum is 48.

The square root of 2194987134 is about 46850.6897921471. The cubic root of 2194987134 is about 1299.6028637013.

The spelling of 2194987134 in words is "two billion, one hundred ninety-four million, nine hundred eighty-seven thousand, one hundred thirty-four".