140688365537 has 8 divisors (see below), whose sum is σ = 142146831456. Its totient is φ = 139230064512.

The previous prime is 140688365507. The next prime is 140688365551. The reversal of 140688365537 is 735563886041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140688365537 - 2⁶ = 140688365473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140688365507) 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 7 ways as a sum of consecutive naturals, for example, 2447318 + ... + 2504144.

It is an arithmetic number, because the mean of its divisors is an integer number (17768353932).

Almost surely, 2^140688365537 is an apocalyptic number.

It is an amenable number.

140688365537 is a deficient number, since it is larger than the sum of its proper divisors (1458465919).

140688365537 is an equidigital number, since it uses as much as digits as its factorization.

140688365537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82447.

The product of its (nonzero) digits is 14515200, while the sum is 56.

The spelling of 140688365537 in words is "one hundred forty billion, six hundred eighty-eight million, three hundred sixty-five thousand, five hundred thirty-seven".