140449187 has 2 divisors, whose sum is σ = 140449188. Its totient is φ = 140449186.

The previous prime is 140449157. The next prime is 140449229. The reversal of 140449187 is 781944041.

140449187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140449187 - 2¹² = 140445091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140449187.

It is not a weakly prime, because it can be changed into another prime (140449157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70224593 + 70224594.

It is an arithmetic number, because the mean of its divisors is an integer number (70224594).

Almost surely, 2^140449187 is an apocalyptic number.

140449187 is a deficient number, since it is larger than the sum of its proper divisors (1).

140449187 is an equidigital number, since it uses as much as digits as its factorization.

140449187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 140449187 is about 11851.1259802603. The cubic root of 140449187 is about 519.8041508515.

The spelling of 140449187 in words is "one hundred forty million, four hundred forty-nine thousand, one hundred eighty-seven".