140030864 has 20 divisors (see below), whose sum is σ = 272089356. Its totient is φ = 69814272.

The previous prime is 140030861. The next prime is 140030899. The reversal of 140030864 is 468030041.

It can be written as a sum of positive squares in 2 ways, for example, as 105925264 + 34105600 = 10292^2 + 5840^2 .

It is not an unprimeable number, because it can be changed into a prime (140030861) by changing a digit.

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, 6749 + ... + 18044.

Almost surely, 2^140030864 is an apocalyptic number.

It is an amenable number.

140030864 is a deficient number, since it is larger than the sum of its proper divisors (132058492).

140030864 is a wasteful number, since it uses less digits than its factorization.

140030864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25154 (or 25148 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 140030864 is about 11833.4637363707. The cubic root of 140030864 is about 519.2875647952.

The spelling of 140030864 in words is "one hundred forty million, thirty thousand, eight hundred sixty-four".