140688747337 has 4 divisors (see below), whose sum is σ = 140692256640. Its totient is φ = 140685238036.

The previous prime is 140688747323. The next prime is 140688747361. The reversal of 140688747337 is 733747886041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140688747337 - 2³⁵ = 106329008969 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140688744337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1693813 + ... + 1774930.

It is an arithmetic number, because the mean of its divisors is an integer number (35173064160).

Almost surely, 2^140688747337 is an apocalyptic number.

It is an amenable number.

140688747337 is a deficient number, since it is larger than the sum of its proper divisors (3509303).

140688747337 is an equidigital number, since it uses as much as digits as its factorization.

140688747337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3509302.

The product of its (nonzero) digits is 18966528, while the sum is 58.

The spelling of 140688747337 in words is "one hundred forty billion, six hundred eighty-eight million, seven hundred forty-seven thousand, three hundred thirty-seven".