140505910395 has 8 divisors (see below), whose sum is σ = 224809456656. Its totient is φ = 74936485536.

The previous prime is 140505910387. The next prime is 140505910399. The reversal of 140505910395 is 593019505041.

140505910395 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 140505910395 - 2³ = 140505910387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140505910399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4683530332 + ... + 4683530361.

It is an arithmetic number, because the mean of its divisors is an integer number (28101182082).

Almost surely, 2^140505910395 is an apocalyptic number.

140505910395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140505910395 is a deficient number, since it is larger than the sum of its proper divisors (84303546261).

140505910395 is an equidigital number, since it uses as much as digits as its factorization.

140505910395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9367060701.

The product of its (nonzero) digits is 121500, while the sum is 42.

The spelling of 140505910395 in words is "one hundred forty billion, five hundred five million, nine hundred ten thousand, three hundred ninety-five".