140443090 has 8 divisors (see below), whose sum is σ = 252797580. Its totient is φ = 56177232.

The previous prime is 140443063. The next prime is 140443091. The reversal of 140443090 is 90344041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 122744241 + 17698849 = 11079^2 + 4207^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (140443091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7022145 + ... + 7022164.

Almost surely, 2^140443090 is an apocalyptic number.

140443090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140443090 is a deficient number, since it is larger than the sum of its proper divisors (112354490).

140443090 is a wasteful number, since it uses less digits than its factorization.

140443090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14044316.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 140443090 is about 11850.8687445267. The cubic root of 140443090 is about 519.7966290523.

The spelling of 140443090 in words is "one hundred forty million, four hundred forty-three thousand, ninety".