140333989 has 2 divisors, whose sum is σ = 140333990. Its totient is φ = 140333988.

The previous prime is 140333957. The next prime is 140334013. The reversal of 140333989 is 989333041.

140333989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103184964 + 37149025 = 10158^2 + 6095^2 .

It is a cyclic number.

It is not a de Polignac number, because 140333989 - 2⁵ = 140333957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140339989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70166994 + 70166995.

It is an arithmetic number, because the mean of its divisors is an integer number (70166995).

Almost surely, 2^140333989 is an apocalyptic number.

It is an amenable number.

140333989 is a deficient number, since it is larger than the sum of its proper divisors (1).

140333989 is an equidigital number, since it uses as much as digits as its factorization.

140333989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 140333989 is about 11846.2647699602. The cubic root of 140333989 is about 519.6619955785.

The spelling of 140333989 in words is "one hundred forty million, three hundred thirty-three thousand, nine hundred eighty-nine".