140250859 has 4 divisors (see below), whose sum is σ = 160286704. Its totient is φ = 120215016.

The previous prime is 140250857. The next prime is 140250871. The reversal of 140250859 is 958052041.

140250859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 958052041 = 211 ⋅4540531.

It is a cyclic number.

It is not a de Polignac number, because 140250859 - 2¹ = 140250857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140250857) 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, 10017912 + ... + 10017925.

It is an arithmetic number, because the mean of its divisors is an integer number (40071676).

Almost surely, 2^140250859 is an apocalyptic number.

140250859 is a deficient number, since it is larger than the sum of its proper divisors (20035845).

140250859 is an equidigital number, since it uses as much as digits as its factorization.

140250859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20035844.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 140250859 is about 11842.7555492799. The cubic root of 140250859 is about 519.5593641470.

The spelling of 140250859 in words is "one hundred forty million, two hundred fifty thousand, eight hundred fifty-nine".