140265791 has 2 divisors, whose sum is σ = 140265792. Its totient is φ = 140265790.

The previous prime is 140265787. The next prime is 140265817. The reversal of 140265791 is 197562041.

140265791 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140265791 - 2² = 140265787 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140265701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70132895 + 70132896.

It is an arithmetic number, because the mean of its divisors is an integer number (70132896).

Almost surely, 2^140265791 is an apocalyptic number.

140265791 is a deficient number, since it is larger than the sum of its proper divisors (1).

140265791 is an equidigital number, since it uses as much as digits as its factorization.

140265791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 140265791 is about 11843.3859601045. The cubic root of 140265791 is about 519.5778020260.

The spelling of 140265791 in words is "one hundred forty million, two hundred sixty-five thousand, seven hundred ninety-one".