140013233444009 has 4 divisors (see below), whose sum is σ = 141931222943316. Its totient is φ = 138095243944704.

The previous prime is 140013233443999. The next prime is 140013233444011. The reversal of 140013233444009 is 900444332310041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 118296142218409 + 21717091225600 = 10876403^2 + 4660160^2 .

It is a cyclic number.

It is not a de Polignac number, because 140013233444009 - 2⁸ = 140013233443753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140013233444069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 958994749544 + ... + 958994749689.

It is an arithmetic number, because the mean of its divisors is an integer number (35482805735829).

Almost surely, 2^{140013233444009} is an apocalyptic number.

It is an amenable number.

140013233444009 is a deficient number, since it is larger than the sum of its proper divisors (1917989499307).

140013233444009 is an equidigital number, since it uses as much as digits as its factorization.

140013233444009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917989499306.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 140013233444009 in words is "one hundred forty trillion, thirteen billion, two hundred thirty-three million, four hundred forty-four thousand, nine".