2140636514 has 4 divisors (see below), whose sum is σ = 3210954774. Its totient is φ = 1070318256.

The previous prime is 2140636513. The next prime is 2140636523. The reversal of 2140636514 is 4156360412.

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

It can be written as a sum of positive squares in only one way, i.e., 2140635289 + 1225 = 46267^2 + 35^2 .

It is not an unprimeable number, because it can be changed into a prime (2140636513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535159127 + ... + 535159130.

Almost surely, 2^2140636514 is an apocalyptic number.

2140636514 is a deficient number, since it is larger than the sum of its proper divisors (1070318260).

2140636514 is a wasteful number, since it uses less digits than its factorization.

2140636514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070318259.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 2140636514 is about 46267.0132383754. The cubic root of 2140636514 is about 1288.7864945702.

Adding to 2140636514 its reverse (4156360412), we get a palindrome (6296996926).

The spelling of 2140636514 in words is "two billion, one hundred forty million, six hundred thirty-six thousand, five hundred fourteen".