2158771094 has 8 divisors (see below), whose sum is σ = 3239042688. Its totient is φ = 1079090200.

The previous prime is 2158771093. The next prime is 2158771103. The reversal of 2158771094 is 4901778512.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2158771093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138422 + ... + 153225.

It is an arithmetic number, because the mean of its divisors is an integer number (404880336).

Almost surely, 2^2158771094 is an apocalyptic number.

2158771094 is a deficient number, since it is larger than the sum of its proper divisors (1080271594).

2158771094 is a wasteful number, since it uses less digits than its factorization.

2158771094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295350.

The product of its (nonzero) digits is 141120, while the sum is 44.

The square root of 2158771094 is about 46462.5773499491. The cubic root of 2158771094 is about 1292.4156195763.

The spelling of 2158771094 in words is "two billion, one hundred fifty-eight million, seven hundred seventy-one thousand, ninety-four".