140105234024540 has 12 divisors (see below), whose sum is σ = 294220991451576. Its totient is φ = 56042093609808.

The previous prime is 140105234024513. The next prime is 140105234024573. The reversal of 140105234024540 is 45420432501041.

It is a happy number.

It is a super-2 number, since 2×140105234024540² (a number of 29 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 140105234024540.

It is a congruent 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, 3502630850594 + ... + 3502630850633.

It is an arithmetic number, because the mean of its divisors is an integer number (24518415954298).

Almost surely, 2^{140105234024540} is an apocalyptic number.

140105234024540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140105234024540 is an abundant number, since it is smaller than the sum of its proper divisors (154115757427036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140105234024540 is a wasteful number, since it uses less digits than its factorization.

140105234024540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7005261701236 (or 7005261701234 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 140105234024540 its reverse (45420432501041), we get a palindrome (185525666525581).

The spelling of 140105234024540 in words is "one hundred forty trillion, one hundred five billion, two hundred thirty-four million, twenty-four thousand, five hundred forty".