140105190740 has 24 divisors (see below), whose sum is σ = 295505717640. Its totient is φ = 55797349248.

The previous prime is 140105190739. The next prime is 140105190751. The reversal of 140105190740 is 47091501041.

It is a happy number.

140105190740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 77158395076 + 62946795664 = 277774^2 + 250892^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140105190697 and 140105190706.

It is a congruent number.

It is an unprimeable number.

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, 15290747 + ... + 15299906.

It is an arithmetic number, because the mean of its divisors is an integer number (12312738235).

Almost surely, 2^140105190740 is an apocalyptic number.

140105190740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140105190740 is an abundant number, since it is smaller than the sum of its proper divisors (155400526900).

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

140105190740 is a wasteful number, since it uses less digits than its factorization.

140105190740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30590891 (or 30590889 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

Adding to 140105190740 its reverse (47091501041), we get a palindrome (187196691781).

The spelling of 140105190740 in words is "one hundred forty billion, one hundred five million, one hundred ninety thousand, seven hundred forty".