2137994 has 8 divisors (see below), whose sum is σ = 3375840. Its totient is φ = 1012716.

The previous prime is 2137987. The next prime is 2137999. The reversal of 2137994 is 4997312.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2137999) 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, 28094 + ... + 28169.

It is an arithmetic number, because the mean of its divisors is an integer number (421980).

2^2137994 is an apocalyptic number.

2137994 is a deficient number, since it is larger than the sum of its proper divisors (1237846).

2137994 is a wasteful number, since it uses less digits than its factorization.

2137994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56284.

The product of its digits is 13608, while the sum is 35.

The square root of 2137994 is about 1462.1880863965. The cubic root of 2137994 is about 128.8255960987.

The spelling of 2137994 in words is "two million, one hundred thirty-seven thousand, nine hundred ninety-four".