140758785787 has 2 divisors, whose sum is σ = 140758785788. Its totient is φ = 140758785786.

The previous prime is 140758785751. The next prime is 140758785803. The reversal of 140758785787 is 787587857041.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140758785787 is a prime.

It is not a weakly prime, because it can be changed into another prime (140758785187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70379392893 + 70379392894.

It is an arithmetic number, because the mean of its divisors is an integer number (70379392894).

Almost surely, 2^140758785787 is an apocalyptic number.

140758785787 is a deficient number, since it is larger than the sum of its proper divisors (1).

140758785787 is an equidigital number, since it uses as much as digits as its factorization.

140758785787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122931200, while the sum is 67.

The spelling of 140758785787 in words is "one hundred forty billion, seven hundred fifty-eight million, seven hundred eighty-five thousand, seven hundred eighty-seven".