2140097 has 4 divisors (see below), whose sum is σ = 2147376. Its totient is φ = 2132820.

The previous prime is 2140091. The next prime is 2140109. The reversal of 2140097 is 7900412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2140097 - 2²⁰ = 1091521 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, 3179 + ... + 3792.

It is an arithmetic number, because the mean of its divisors is an integer number (536844).

2^2140097 is an apocalyptic number.

It is an amenable number.

2140097 is a deficient number, since it is larger than the sum of its proper divisors (7279).

2140097 is an equidigital number, since it uses as much as digits as its factorization.

2140097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7278.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 2140097 is about 1462.9070373746. The cubic root of 2140097 is about 128.8678212637.

The spelling of 2140097 in words is "two million, one hundred forty thousand, ninety-seven".