2140099 has 4 divisors (see below), whose sum is σ = 2304736. Its totient is φ = 1975464.

The previous prime is 2140091. The next prime is 2140109. The reversal of 2140099 is 9900412.

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

It is a cyclic number.

It is not a de Polignac number, because 2140099 - 2³ = 2140091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2140091) 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, 82299 + ... + 82324.

It is an arithmetic number, because the mean of its divisors is an integer number (576184).

2^2140099 is an apocalyptic number.

2140099 is a deficient number, since it is larger than the sum of its proper divisors (164637).

2140099 is a wasteful number, since it uses less digits than its factorization.

2140099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164636.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 2140099 is about 1462.9077209448. The cubic root of 2140099 is about 128.8678614076.

The spelling of 2140099 in words is "two million, one hundred forty thousand, ninety-nine".