2140209515 has 8 divisors (see below), whose sum is σ = 2568612768. Its totient is φ = 1711926720.

The previous prime is 2140209443. The next prime is 2140209529. The reversal of 2140209515 is 5159020412.

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

It is not a de Polignac number, because 2140209515 - 2¹⁰ = 2140208491 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15170 + ... + 67160.

It is an arithmetic number, because the mean of its divisors is an integer number (321076596).

Almost surely, 2^2140209515 is an apocalyptic number.

2140209515 is a deficient number, since it is larger than the sum of its proper divisors (428403253).

2140209515 is an equidigital number, since it uses as much as digits as its factorization.

2140209515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60229.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 2140209515 is about 46262.3985002940. The cubic root of 2140209515 is about 1288.7007962065.

Adding to 2140209515 its reverse (5159020412), we get a palindrome (7299229927).

The spelling of 2140209515 in words is "two billion, one hundred forty million, two hundred nine thousand, five hundred fifteen".