140351008247 has 4 divisors (see below), whose sum is σ = 140537894496. Its totient is φ = 140164122000.

The previous prime is 140351008183. The next prime is 140351008277. The reversal of 140351008247 is 742800153041.

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 140351008247 - 2⁶ = 140351008183 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 (140351008277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93441998 + ... + 93443499.

It is an arithmetic number, because the mean of its divisors is an integer number (35134473624).

Almost surely, 2^140351008247 is an apocalyptic number.

140351008247 is a deficient number, since it is larger than the sum of its proper divisors (186886249).

140351008247 is an equidigital number, since it uses as much as digits as its factorization.

140351008247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186886248.

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 140351008247 in words is "one hundred forty billion, three hundred fifty-one million, eight thousand, two hundred forty-seven".