140118568 has 8 divisors (see below), whose sum is σ = 262722330. Its totient is φ = 70059280.

The previous prime is 140118551. The next prime is 140118577. The reversal of 140118568 is 865811041.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 137874564 + 2244004 = 11742^2 + 1498^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8757403 + ... + 8757418.

Almost surely, 2^140118568 is an apocalyptic number.

It is an amenable number.

140118568 is a deficient number, since it is larger than the sum of its proper divisors (122603762).

140118568 is a wasteful number, since it uses less digits than its factorization.

140118568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17514827 (or 17514823 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 34.

The square root of 140118568 is about 11837.1689182845. The cubic root of 140118568 is about 519.3959554036.

The spelling of 140118568 in words is "one hundred forty million, one hundred eighteen thousand, five hundred sixty-eight".