140035372247 has 4 divisors (see below), whose sum is σ = 140087490816. Its totient is φ = 139983253680.

The previous prime is 140035372171. The next prime is 140035372249. The reversal of 140035372247 is 742273530041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 742273530041 = 156781 ⋅4734461.

It is a cyclic number.

It is not a de Polignac number, because 140035372247 - 2²⁸ = 139766936791 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140035372247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140035372249) 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, 26055254 + ... + 26060627.

It is an arithmetic number, because the mean of its divisors is an integer number (35021872704).

Almost surely, 2^140035372247 is an apocalyptic number.

140035372247 is a deficient number, since it is larger than the sum of its proper divisors (52118569).

140035372247 is an equidigital number, since it uses as much as digits as its factorization.

140035372247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52118568.

The product of its (nonzero) digits is 141120, while the sum is 38.

The spelling of 140035372247 in words is "one hundred forty billion, thirty-five million, three hundred seventy-two thousand, two hundred forty-seven".