140625187 has 8 divisors (see below), whose sum is σ = 141579680. Its totient is φ = 139674240.

The previous prime is 140625169. The next prime is 140625193. The reversal of 140625187 is 781526041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140625187 - 2¹⁹ = 140100899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140625127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170458 + ... + 171280.

It is an arithmetic number, because the mean of its divisors is an integer number (17697460).

Almost surely, 2^140625187 is an apocalyptic number.

140625187 is a deficient number, since it is larger than the sum of its proper divisors (954493).

140625187 is an equidigital number, since it uses as much as digits as its factorization.

140625187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 140625187 is about 11858.5491102411. The cubic root of 140625187 is about 520.0211862670.

The spelling of 140625187 in words is "one hundred forty million, six hundred twenty-five thousand, one hundred eighty-seven".