140674889 has 2 divisors, whose sum is σ = 140674890. Its totient is φ = 140674888.

The previous prime is 140674883. The next prime is 140674909. The reversal of 140674889 is 988476041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134745664 + 5929225 = 11608^2 + 2435^2 .

It is a cyclic number.

It is not a de Polignac number, because 140674889 - 2⁴ = 140674873 is a prime.

It is not a weakly prime, because it can be changed into another prime (140674883) 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 as a sum of consecutive naturals, namely, 70337444 + 70337445.

It is an arithmetic number, because the mean of its divisors is an integer number (70337445).

Almost surely, 2^140674889 is an apocalyptic number.

It is an amenable number.

140674889 is a deficient number, since it is larger than the sum of its proper divisors (1).

140674889 is an equidigital number, since it uses as much as digits as its factorization.

140674889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 140674889 is about 11860.6445440372. The cubic root of 140674889 is about 520.0824437822.

The spelling of 140674889 in words is "one hundred forty million, six hundred seventy-four thousand, eight hundred eighty-nine".