140515620347 has 2 divisors, whose sum is σ = 140515620348. Its totient is φ = 140515620346.

The previous prime is 140515620317. The next prime is 140515620367. The reversal of 140515620347 is 743026515041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140515620347 - 2⁶ = 140515620283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140515620347.

It is not a weakly prime, because it can be changed into another prime (140515620317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70257810173 + 70257810174.

It is an arithmetic number, because the mean of its divisors is an integer number (70257810174).

Almost surely, 2^140515620347 is an apocalyptic number.

140515620347 is a deficient number, since it is larger than the sum of its proper divisors (1).

140515620347 is an equidigital number, since it uses as much as digits as its factorization.

140515620347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 140515620347 in words is "one hundred forty billion, five hundred fifteen million, six hundred twenty thousand, three hundred forty-seven".