140604187 has 2 divisors, whose sum is σ = 140604188. Its totient is φ = 140604186.

The previous prime is 140604179. The next prime is 140604227. The reversal of 140604187 is 781406041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140604187 - 2³ = 140604179 is a prime.

It is not a weakly prime, because it can be changed into another prime (140604137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70302093 + 70302094.

It is an arithmetic number, because the mean of its divisors is an integer number (70302094).

Almost surely, 2^140604187 is an apocalyptic number.

140604187 is a deficient number, since it is larger than the sum of its proper divisors (1).

140604187 is an equidigital number, since it uses as much as digits as its factorization.

140604187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 140604187 is about 11857.6636400262. The cubic root of 140604187 is about 519.9952995137.

The spelling of 140604187 in words is "one hundred forty million, six hundred four thousand, one hundred eighty-seven".