140317958 has 16 divisors (see below), whose sum is σ = 231137280. Its totient is φ = 63357000.

The previous prime is 140317943. The next prime is 140317967. The reversal of 140317958 is 859713041.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 17798 + ... + 24441.

It is an arithmetic number, because the mean of its divisors is an integer number (14446080).

Almost surely, 2^140317958 is an apocalyptic number.

140317958 is a deficient number, since it is larger than the sum of its proper divisors (90819322).

140317958 is a wasteful number, since it uses less digits than its factorization.

140317958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42403.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 140317958 is about 11845.5881238544. The cubic root of 140317958 is about 519.6422070280.

The spelling of 140317958 in words is "one hundred forty million, three hundred seventeen thousand, nine hundred fifty-eight".