140174689 has 4 divisors (see below), whose sum is σ = 141183280. Its totient is φ = 139166100.

The previous prime is 140174681. The next prime is 140174693. The reversal of 140174689 is 986471041.

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 140174689 - 2³ = 140174681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140174681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504087 + ... + 504364.

It is an arithmetic number, because the mean of its divisors is an integer number (35295820).

Almost surely, 2^140174689 is an apocalyptic number.

It is an amenable number.

140174689 is a deficient number, since it is larger than the sum of its proper divisors (1008591).

140174689 is a wasteful number, since it uses less digits than its factorization.

140174689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008590.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 140174689 is about 11839.5392224529. The cubic root of 140174689 is about 519.4652898491.

The spelling of 140174689 in words is "one hundred forty million, one hundred seventy-four thousand, six hundred eighty-nine".