140503879 has 4 divisors (see below), whose sum is σ = 147898840. Its totient is φ = 133108920.

The previous prime is 140503813. The next prime is 140503889. The reversal of 140503879 is 978305041.

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 140503879 - 2¹³ = 140495687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140503889) by changing a digit.

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, 3697452 + ... + 3697489.

It is an arithmetic number, because the mean of its divisors is an integer number (36974710).

Almost surely, 2^140503879 is an apocalyptic number.

140503879 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

140503879 is a deficient number, since it is larger than the sum of its proper divisors (7394961).

140503879 is an equidigital number, since it uses as much as digits as its factorization.

140503879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7394960.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 140503879 is about 11853.4332157396. The cubic root of 140503879 is about 519.8716140147.

The spelling of 140503879 in words is "one hundred forty million, five hundred three thousand, eight hundred seventy-nine".