140738719915 has 4 divisors (see below), whose sum is σ = 168886463904. Its totient is φ = 112590975928.

The previous prime is 140738719909. The next prime is 140738719939. The reversal of 140738719915 is 519917837041.

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

It is a cyclic number.

It is not a de Polignac number, because 140738719915 - 2¹⁷ = 140738588843 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 14073871987 + ... + 14073871996.

It is an arithmetic number, because the mean of its divisors is an integer number (42221615976).

Almost surely, 2^140738719915 is an apocalyptic number.

140738719915 is a deficient number, since it is larger than the sum of its proper divisors (28147743989).

140738719915 is an equidigital number, since it uses as much as digits as its factorization.

140738719915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28147743988.

The product of its (nonzero) digits is 1905120, while the sum is 55.

The spelling of 140738719915 in words is "one hundred forty billion, seven hundred thirty-eight million, seven hundred nineteen thousand, nine hundred fifteen".