140932989 has 24 divisors (see below), whose sum is σ = 208241280. Its totient is φ = 91814112.

The previous prime is 140932969. The next prime is 140932993. The reversal of 140932989 is 989239041.

It is not a de Polignac number, because 140932989 - 2⁸ = 140932733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140932969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170832 + ... + 171654.

It is an arithmetic number, because the mean of its divisors is an integer number (8676720).

Almost surely, 2^140932989 is an apocalyptic number.

It is an amenable number.

140932989 is a deficient number, since it is larger than the sum of its proper divisors (67308291).

140932989 is a wasteful number, since it uses less digits than its factorization.

140932989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241 (or 1238 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 140932989 is about 11871.5200795854. The cubic root of 140932989 is about 520.4003192028.

The spelling of 140932989 in words is "one hundred forty million, nine hundred thirty-two thousand, nine hundred eighty-nine".