140988 has 24 divisors (see below), whose sum is σ = 340480. Its totient is φ = 45360.

The previous prime is 140983. The next prime is 140989. The reversal of 140988 is 889041.

It is a happy number.

140988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140988² = 39755232288, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140983) by changing a digit.

140988 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183 + ... + 561.

2¹⁴⁰⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

140988 is an abundant number, since it is smaller than the sum of its proper divisors (199492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140988 is a wasteful number, since it uses less digits than its factorization.

140988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 140988 is about 375.4836880611. The cubic root of 140988 is about 52.0468020451.

It can be divided in two parts, 140 and 988, that added together give a triangular number (1128 = T₄₇).

The spelling of 140988 in words is "one hundred forty thousand, nine hundred eighty-eight".