140263018 has 16 divisors (see below), whose sum is σ = 240799104. Its totient is φ = 60025680.

The previous prime is 140262977. The next prime is 140263049. The reversal of 140263018 is 810362041.

140263018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 140262983 and 140263001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3288 + ... + 17068.

It is an arithmetic number, because the mean of its divisors is an integer number (15049944).

Almost surely, 2^140263018 is an apocalyptic number.

140263018 is a deficient number, since it is larger than the sum of its proper divisors (100536086).

140263018 is a wasteful number, since it uses less digits than its factorization.

140263018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14517.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 140263018 is about 11843.2688899645. The cubic root of 140263018 is about 519.5743780533.

The spelling of 140263018 in words is "one hundred forty million, two hundred sixty-three thousand, eighteen".