140235691316 has 72 divisors (see below), whose sum is σ = 291138187200. Its totient is φ = 59080337232.

The previous prime is 140235691301. The next prime is 140235691319. The reversal of 140235691316 is 613196532041.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140235691319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4761251 + ... + 4790613.

Almost surely, 2^140235691316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140235691316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145569093600).

140235691316 is an abundant number, since it is smaller than the sum of its proper divisors (150902495884).

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

140235691316 is an equidigital number, since it uses as much as digits as its factorization.

140235691316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29506 (or 29431 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 140235691316 in words is "one hundred forty billion, two hundred thirty-five million, six hundred ninety-one thousand, three hundred sixteen".