140444348513 has 8 divisors (see below), whose sum is σ = 160515551232. Its totient is φ = 120375076896.

The previous prime is 140444348507. The next prime is 140444348531. The reversal of 140444348513 is 315843444041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140444348513 is a prime.

It is a super-2 number, since 2×140444348513² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140444348503) 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, 323420 + ... + 620877.

It is an arithmetic number, because the mean of its divisors is an integer number (20064443904).

Almost surely, 2^140444348513 is an apocalyptic number.

It is an amenable number.

140444348513 is a deficient number, since it is larger than the sum of its proper divisors (20071202719).

140444348513 is an equidigital number, since it uses as much as digits as its factorization.

140444348513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965551.

The product of its (nonzero) digits is 368640, while the sum is 41.

The spelling of 140444348513 in words is "one hundred forty billion, four hundred forty-four million, three hundred forty-eight thousand, five hundred thirteen".