140063618 has 8 divisors (see below), whose sum is σ = 211384848. Its totient is φ = 69602004.

The previous prime is 140063593. The next prime is 140063621. The reversal of 140063618 is 816360041.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 214496 + ... + 215147.

It is an arithmetic number, because the mean of its divisors is an integer number (26423106).

Almost surely, 2^140063618 is an apocalyptic number.

140063618 is a deficient number, since it is larger than the sum of its proper divisors (71321230).

140063618 is a wasteful number, since it uses less digits than its factorization.

140063618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429808.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 140063618 is about 11834.8476120312. The cubic root of 140063618 is about 519.3280497246.

The spelling of 140063618 in words is "one hundred forty million, sixty-three thousand, six hundred eighteen".