140310889 has 6 divisors (see below), whose sum is σ = 141203706. Its totient is φ = 139423680.

The previous prime is 140310883. The next prime is 140310899. The reversal of 140310889 is 988013041.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 95648400 + 44662489 = 9780^2 + 6683^2 .

It is not a de Polignac number, because 140310889 - 2³ = 140310881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140310881) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23929 + ... + 29209.

It is an arithmetic number, because the mean of its divisors is an integer number (23533951).

Almost surely, 2^140310889 is an apocalyptic number.

It is an amenable number.

140310889 is a deficient number, since it is larger than the sum of its proper divisors (892817).

140310889 is an frugal number, since it uses more digits than its factorization.

140310889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5607 (or 5444 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 140310889 is about 11845.2897389638. The cubic root of 140310889 is about 519.6334806267.

The spelling of 140310889 in words is "one hundred forty million, three hundred ten thousand, eight hundred eighty-nine".