140612889 has 8 divisors (see below), whose sum is σ = 187754112. Its totient is φ = 93606800.

The previous prime is 140612867. The next prime is 140612891. The reversal of 140612889 is 988216041.

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

It is a cyclic number.

It is not a de Polignac number, because 140612889 - 2⁹ = 140612377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140612809) 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 7 ways as a sum of consecutive naturals, for example, 31329 + ... + 35534.

It is an arithmetic number, because the mean of its divisors is an integer number (23469264).

Almost surely, 2^140612889 is an apocalyptic number.

It is an amenable number.

140612889 is a deficient number, since it is larger than the sum of its proper divisors (47141223).

140612889 is an equidigital number, since it uses as much as digits as its factorization.

140612889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67567.

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 140612889 is about 11858.0305700399. The cubic root of 140612889 is about 520.0060268039.

The spelling of 140612889 in words is "one hundred forty million, six hundred twelve thousand, eight hundred eighty-nine".