140885191 has 2 divisors, whose sum is σ = 140885192. Its totient is φ = 140885190.

The previous prime is 140885167. The next prime is 140885201. The reversal of 140885191 is 191588041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140885191 - 2¹¹ = 140883143 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140885191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140883191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70442595 + 70442596.

It is an arithmetic number, because the mean of its divisors is an integer number (70442596).

Almost surely, 2^140885191 is an apocalyptic number.

140885191 is a deficient number, since it is larger than the sum of its proper divisors (1).

140885191 is an equidigital number, since it uses as much as digits as its factorization.

140885191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 37.

The square root of 140885191 is about 11869.5067715554. The cubic root of 140885191 is about 520.3414805845.

The spelling of 140885191 in words is "one hundred forty million, eight hundred eighty-five thousand, one hundred ninety-one".