140234554305 has 24 divisors (see below), whose sum is σ = 253641630528. Its totient is φ = 71539946016.

The previous prime is 140234554297. The next prime is 140234554363. The reversal of 140234554305 is 503455432041.

140234554305 is a `hidden beast` number, since 1 + 4 + 0 + 2 + 345 + 5 + 4 + 305 = 666.

It is not a de Polignac number, because 140234554305 - 2³ = 140234554297 is a prime.

It is a super-2 number, since 2×140234554305² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140234554305.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 67745127 + ... + 67747196.

It is an arithmetic number, because the mean of its divisors is an integer number (10568401272).

Almost surely, 2^140234554305 is an apocalyptic number.

140234554305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140234554305 is a deficient number, since it is larger than the sum of its proper divisors (113407076223).

140234554305 is a wasteful number, since it uses less digits than its factorization.

140234554305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135492357 (or 135492354 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 140234554305 its reverse (503455432041), we get a palindrome (643689986346).

The spelling of 140234554305 in words is "one hundred forty billion, two hundred thirty-four million, five hundred fifty-four thousand, three hundred five".