140989188 has 12 divisors (see below), whose sum is σ = 328974800. Its totient is φ = 46996392.

The previous prime is 140989187. The next prime is 140989243. The reversal of 140989188 is 881989041.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×140989188² = 39755902265798688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140989187) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5874538 + ... + 5874561.

Almost surely, 2^140989188 is an apocalyptic number.

It is an amenable number.

140989188 is an abundant number, since it is smaller than the sum of its proper divisors (187985612).

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

140989188 is a wasteful number, since it uses less digits than its factorization.

140989188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11749106 (or 11749104 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 48.

The square root of 140989188 is about 11873.8868109815. The cubic root of 140989188 is about 520.4694823117.

The spelling of 140989188 in words is "one hundred forty million, nine hundred eighty-nine thousand, one hundred eighty-eight".