140643460455 has 8 divisors (see below), whose sum is σ = 225029536752. Its totient is φ = 75009845568.

The previous prime is 140643460453. The next prime is 140643460481. The reversal of 140643460455 is 554064346041.

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

It is not a de Polignac number, because 140643460455 - 2¹ = 140643460453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140643460453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4688115334 + ... + 4688115363.

It is an arithmetic number, because the mean of its divisors is an integer number (28128692094).

Almost surely, 2^140643460455 is an apocalyptic number.

140643460455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140643460455 is a deficient number, since it is larger than the sum of its proper divisors (84386076297).

140643460455 is an equidigital number, since it uses as much as digits as its factorization.

140643460455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9376230705.

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 140643460455 in words is "one hundred forty billion, six hundred forty-three million, four hundred sixty thousand, four hundred fifty-five".