140850691 has 2 divisors, whose sum is σ = 140850692. Its totient is φ = 140850690.

The previous prime is 140850637. The next prime is 140850707. The reversal of 140850691 is 196058041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140850691 - 2⁹ = 140850179 is a prime.

It is not a weakly prime, because it can be changed into another prime (140850631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70425345 + 70425346.

It is an arithmetic number, because the mean of its divisors is an integer number (70425346).

Almost surely, 2^140850691 is an apocalyptic number.

140850691 is a deficient number, since it is larger than the sum of its proper divisors (1).

140850691 is an equidigital number, since it uses as much as digits as its factorization.

140850691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 140850691 is about 11868.0533787138. The cubic root of 140850691 is about 520.2990033341.

The spelling of 140850691 in words is "one hundred forty million, eight hundred fifty thousand, six hundred ninety-one".