140865707 has 2 divisors, whose sum is σ = 140865708. Its totient is φ = 140865706.

The previous prime is 140865671. The next prime is 140865727. The reversal of 140865707 is 707568041.

It is a strong prime.

It is an emirp because it is prime and its reverse (707568041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140865707 - 2¹⁴ = 140849323 is a prime.

It is not a weakly prime, because it can be changed into another prime (140865727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70432853 + 70432854.

It is an arithmetic number, because the mean of its divisors is an integer number (70432854).

Almost surely, 2^140865707 is an apocalyptic number.

140865707 is a deficient number, since it is larger than the sum of its proper divisors (1).

140865707 is an equidigital number, since it uses as much as digits as its factorization.

140865707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 140865707 is about 11868.6859845562. The cubic root of 140865707 is about 520.3174922558.

The spelling of 140865707 in words is "one hundred forty million, eight hundred sixty-five thousand, seven hundred seven".