140517994 has 16 divisors (see below), whose sum is σ = 220926528. Its totient is φ = 66903232.

The previous prime is 140517991. The next prime is 140518057. The reversal of 140517994 is 499715041.

It is not an unprimeable number, because it can be changed into a prime (140517991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3714 + ... + 17170.

It is an arithmetic number, because the mean of its divisors is an integer number (13807908).

Almost surely, 2^140517994 is an apocalyptic number.

140517994 is a deficient number, since it is larger than the sum of its proper divisors (80408534).

140517994 is a wasteful number, since it uses less digits than its factorization.

140517994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13709.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 140517994 is about 11854.0285979071. The cubic root of 140517994 is about 519.8890221749.

The spelling of 140517994 in words is "one hundred forty million, five hundred seventeen thousand, nine hundred ninety-four".