140075659 has 4 divisors (see below), whose sum is σ = 140303304. Its totient is φ = 139848016.

The previous prime is 140075647. The next prime is 140075669. The reversal of 140075659 is 956570041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 956570041 = 7 ⋅136652863.

It is a cyclic number.

It is not a de Polignac number, because 140075659 - 2¹³ = 140067467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140075629) 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, 112897 + ... + 114130.

It is an arithmetic number, because the mean of its divisors is an integer number (35075826).

Almost surely, 2^140075659 is an apocalyptic number.

140075659 is a deficient number, since it is larger than the sum of its proper divisors (227645).

140075659 is an equidigital number, since it uses as much as digits as its factorization.

140075659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227644.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 140075659 is about 11835.3563106482. The cubic root of 140075659 is about 519.3429311762.

The spelling of 140075659 in words is "one hundred forty million, seventy-five thousand, six hundred fifty-nine".