2193870022134 has 128 divisors (see below), whose sum is σ = 5320860033024. Its totient is φ = 589690368000.

The previous prime is 2193870022133. The next prime is 2193870022181. The reversal of 2193870022134 is 4312200783912.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2193870022133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 56874214 + ... + 56912774.

It is an arithmetic number, because the mean of its divisors is an integer number (41569219008).

Almost surely, 2^{2193870022134} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2193870022134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2660430016512).

2193870022134 is an abundant number, since it is smaller than the sum of its proper divisors (3126990010890).

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

2193870022134 is a wasteful number, since it uses less digits than its factorization.

2193870022134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39822.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 2193870022134 in words is "two trillion, one hundred ninety-three billion, eight hundred seventy million, twenty-two thousand, one hundred thirty-four".