140200866 has 24 divisors (see below), whose sum is σ = 327135900. Its totient is φ = 43138656.

The previous prime is 140200831. The next prime is 140200871. The reversal of 140200866 is 668002041.

It can be written as a sum of positive squares in 2 ways, for example, as 139925241 + 275625 = 11829^2 + 525^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 299341 + ... + 299808.

Almost surely, 2^140200866 is an apocalyptic number.

140200866 is an abundant number, since it is smaller than the sum of its proper divisors (186935034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140200866 is a wasteful number, since it uses less digits than its factorization.

140200866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599170 (or 599167 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 140200866 is about 11840.6446615039. The cubic root of 140200866 is about 519.4976237809.

The spelling of 140200866 in words is "one hundred forty million, two hundred thousand, eight hundred sixty-six".