2140202068 has 6 divisors (see below), whose sum is σ = 3745353626. Its totient is φ = 1070101032.

The previous prime is 2140202041. The next prime is 2140202069. The reversal of 2140202068 is 8602020412.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1489033744 + 651168324 = 38588^2 + 25518^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140202069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267525255 + ... + 267525262.

Almost surely, 2^2140202068 is an apocalyptic number.

It is an amenable number.

2140202068 is a deficient number, since it is larger than the sum of its proper divisors (1605151558).

2140202068 is a wasteful number, since it uses less digits than its factorization.

2140202068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535050521 (or 535050519 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 2140202068 is about 46262.3180136923. The cubic root of 2140202068 is about 1288.6993014984.

The spelling of 2140202068 in words is "two billion, one hundred forty million, two hundred two thousand, sixty-eight".