140060866 has 16 divisors (see below), whose sum is σ = 232332768. Its totient is φ = 62791200.

The previous prime is 140060861. The next prime is 140060881. The reversal of 140060866 is 668060041.

It is not an unprimeable number, because it can be changed into a prime (140060861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42000 + ... + 45211.

It is an arithmetic number, because the mean of its divisors is an integer number (14520798).

Almost surely, 2^140060866 is an apocalyptic number.

140060866 is a deficient number, since it is larger than the sum of its proper divisors (92271902).

140060866 is a wasteful number, since it uses less digits than its factorization.

140060866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87297.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 140060866 is about 11834.7313446483. The cubic root of 140060866 is about 519.3246484127.

The spelling of 140060866 in words is "one hundred forty million, sixty thousand, eight hundred sixty-six".