140021784157259 has 2 divisors, whose sum is σ = 140021784157260. Its totient is φ = 140021784157258.

The previous prime is 140021784157231. The next prime is 140021784157289. The reversal of 140021784157259 is 952751487120041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140021784157259 - 2²⁸ = 140021515721803 is a prime.

It is a super-2 number, since 2×140021784157259² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140021784157289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70010892078629 + 70010892078630.

It is an arithmetic number, because the mean of its divisors is an integer number (70010892078630).

Almost surely, 2^{140021784157259} is an apocalyptic number.

140021784157259 is a deficient number, since it is larger than the sum of its proper divisors (1).

140021784157259 is an equidigital number, since it uses as much as digits as its factorization.

140021784157259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5644800, while the sum is 56.

The spelling of 140021784157259 in words is "one hundred forty trillion, twenty-one billion, seven hundred eighty-four million, one hundred fifty-seven thousand, two hundred fifty-nine".