140666270259 has 4 divisors (see below), whose sum is σ = 187555027016. Its totient is φ = 93777513504.

The previous prime is 140666270237. The next prime is 140666270287. The reversal of 140666270259 is 952072666041.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 140666270259 - 2²¹ = 140664173107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140666270159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23444378374 + ... + 23444378379.

It is an arithmetic number, because the mean of its divisors is an integer number (46888756754).

Almost surely, 2^140666270259 is an apocalyptic number.

140666270259 is a deficient number, since it is larger than the sum of its proper divisors (46888756757).

140666270259 is an equidigital number, since it uses as much as digits as its factorization.

140666270259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46888756756.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 140666270259 in words is "one hundred forty billion, six hundred sixty-six million, two hundred seventy thousand, two hundred fifty-nine".