2137214894 has 4 divisors (see below), whose sum is σ = 3205822344. Its totient is φ = 1068607446.

The previous prime is 2137214861. The next prime is 2137214899. The reversal of 2137214894 is 4984127312.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2137214899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534303722 + ... + 534303725.

It is an arithmetic number, because the mean of its divisors is an integer number (801455586).

Almost surely, 2^2137214894 is an apocalyptic number.

2137214894 is a deficient number, since it is larger than the sum of its proper divisors (1068607450).

2137214894 is a wasteful number, since it uses less digits than its factorization.

2137214894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068607449.

The product of its digits is 96768, while the sum is 41.

The square root of 2137214894 is about 46230.0215660776. The cubic root of 2137214894 is about 1288.0994576022.

The spelling of 2137214894 in words is "two billion, one hundred thirty-seven million, two hundred fourteen thousand, eight hundred ninety-four".