2140500605 has 4 divisors (see below), whose sum is σ = 2568600732. Its totient is φ = 1712400480.

The previous prime is 2140500601. The next prime is 2140500631. The reversal of 2140500605 is 5060050412.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1141561369 + 998939236 = 33787^2 + 31606^2 .

It is not a de Polignac number, because 2140500605 - 2² = 2140500601 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140500601) 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, 214050056 + ... + 214050065.

It is an arithmetic number, because the mean of its divisors is an integer number (642150183).

Almost surely, 2^2140500605 is an apocalyptic number.

It is an amenable number.

2140500605 is a deficient number, since it is larger than the sum of its proper divisors (428100127).

2140500605 is an equidigital number, since it uses as much as digits as its factorization.

2140500605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428100126.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2140500605 is about 46265.5444688593. The cubic root of 2140500605 is about 1288.7592189772.

The spelling of 2140500605 in words is "two billion, one hundred forty million, five hundred thousand, six hundred five".