140814617 has 4 divisors (see below), whose sum is σ = 145357056. Its totient is φ = 136272180.

The previous prime is 140814607. The next prime is 140814647. The reversal of 140814617 is 716418041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140814617 - 2⁴ = 140814601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140814607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2271173 + ... + 2271234.

It is an arithmetic number, because the mean of its divisors is an integer number (36339264).

Almost surely, 2^140814617 is an apocalyptic number.

It is an amenable number.

140814617 is a deficient number, since it is larger than the sum of its proper divisors (4542439).

140814617 is an equidigital number, since it uses as much as digits as its factorization.

140814617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4542438.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 140814617 is about 11866.5334870804. The cubic root of 140814617 is about 520.2545807172.

The spelling of 140814617 in words is "one hundred forty million, eight hundred fourteen thousand, six hundred seventeen".