140305424555 has 4 divisors (see below), whose sum is σ = 168366509472. Its totient is φ = 112244339640.

The previous prime is 140305424531. The next prime is 140305424561. The reversal of 140305424555 is 555424503041.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 140305424555 - 2²⁶ = 140238315691 is a prime.

It is a super-2 number, since 2×140305424555² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14030542451 + ... + 14030542460.

It is an arithmetic number, because the mean of its divisors is an integer number (42091627368).

Almost surely, 2^140305424555 is an apocalyptic number.

140305424555 is a deficient number, since it is larger than the sum of its proper divisors (28061084917).

140305424555 is an equidigital number, since it uses as much as digits as its factorization.

140305424555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28061084916.

The product of its (nonzero) digits is 240000, while the sum is 38.

Adding to 140305424555 its reverse (555424503041), we get a palindrome (695729927596).

The spelling of 140305424555 in words is "one hundred forty billion, three hundred five million, four hundred twenty-four thousand, five hundred fifty-five".