140188 has 12 divisors (see below), whose sum is σ = 248472. Its totient is φ = 69200.

The previous prime is 140177. The next prime is 140191. The reversal of 140188 is 881041.

It is a plaindrome in base 7 and base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231 + ... + 577.

It is an arithmetic number, because the mean of its divisors is an integer number (20706).

2¹⁴⁰¹⁸⁸ is an apocalyptic number.

It is an amenable number.

140188 is a deficient number, since it is larger than the sum of its proper divisors (108284).

140188 is a wasteful number, since it uses less digits than its factorization.

140188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 140188 is about 374.4168799614. The cubic root of 140188 is about 51.9481732151.

The spelling of 140188 in words is "one hundred forty thousand, one hundred eighty-eight".