140254889 has 4 divisors (see below), whose sum is σ = 140279040. Its totient is φ = 140230740.

The previous prime is 140254883. The next prime is 140254927. The reversal of 140254889 is 988452041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140254889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140254883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2504 + ... + 16934.

It is an arithmetic number, because the mean of its divisors is an integer number (35069760).

Almost surely, 2^140254889 is an apocalyptic number.

It is an amenable number.

140254889 is a deficient number, since it is larger than the sum of its proper divisors (24151).

140254889 is an equidigital number, since it uses as much as digits as its factorization.

140254889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24150.

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 140254889 is about 11842.9256942700. The cubic root of 140254889 is about 519.5643404782.

The spelling of 140254889 in words is "one hundred forty million, two hundred fifty-four thousand, eight hundred eighty-nine".