140253612616 has 16 divisors (see below), whose sum is σ = 283204410300. Its totient is φ = 64732436544.

The previous prime is 140253612547. The next prime is 140253612643. The reversal of 140253612616 is 616216352041.

It can be written as a sum of positive squares in 2 ways, for example, as 139898440900 + 355171716 = 374030^2 + 18846^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 674296111 + ... + 674296318.

Almost surely, 2^140253612616 is an apocalyptic number.

It is an amenable number.

140253612616 is an abundant number, since it is smaller than the sum of its proper divisors (142950797684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140253612616 is a wasteful number, since it uses less digits than its factorization.

140253612616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348592448 (or 1348592444 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

Adding to 140253612616 its reverse (616216352041), we get a palindrome (756469964657).

The spelling of 140253612616 in words is "one hundred forty billion, two hundred fifty-three million, six hundred twelve thousand, six hundred sixteen".