140400089 has 8 divisors (see below), whose sum is σ = 144956928. Its totient is φ = 135883440.

The previous prime is 140400083. The next prime is 140400103. The reversal of 140400089 is 980004041.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140400089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140400083) 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, 2867 + ... + 17000.

It is an arithmetic number, because the mean of its divisors is an integer number (18119616).

Almost surely, 2^140400089 is an apocalyptic number.

It is an amenable number.

140400089 is a deficient number, since it is larger than the sum of its proper divisors (4556839).

140400089 is a wasteful number, since it uses less digits than its factorization.

140400089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20095.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 140400089 is about 11849.0543504535. The cubic root of 140400089 is about 519.7435730269.

The spelling of 140400089 in words is "one hundred forty million, four hundred thousand, eighty-nine".