140269859 has 2 divisors, whose sum is σ = 140269860. Its totient is φ = 140269858.

The previous prime is 140269777. The next prime is 140269889. The reversal of 140269859 is 958962041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140269859 - 2⁸ = 140269603 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140269889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70134929 + 70134930.

It is an arithmetic number, because the mean of its divisors is an integer number (70134930).

Almost surely, 2^140269859 is an apocalyptic number.

140269859 is a deficient number, since it is larger than the sum of its proper divisors (1).

140269859 is an equidigital number, since it uses as much as digits as its factorization.

140269859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 140269859 is about 11843.5577002858. The cubic root of 140269859 is about 519.5828249235.

The spelling of 140269859 in words is "one hundred forty million, two hundred sixty-nine thousand, eight hundred fifty-nine".