13140030445 has 4 divisors (see below), whose sum is σ = 15768036540. Its totient is φ = 10512024352.

The previous prime is 13140030403. The next prime is 13140030457. The reversal of 13140030445 is 54403004131.

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 2947512681 + 10192517764 = 54291^2 + 100958^2 .

It is a cyclic number.

It is not a de Polignac number, because 13140030445 - 2¹⁷ = 13139899373 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1314003040 + ... + 1314003049.

It is an arithmetic number, because the mean of its divisors is an integer number (3942009135).

Almost surely, 2^13140030445 is an apocalyptic number.

It is an amenable number.

13140030445 is a deficient number, since it is larger than the sum of its proper divisors (2628006095).

13140030445 is an equidigital number, since it uses as much as digits as its factorization.

13140030445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628006094.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 13140030445 its reverse (54403004131), we get a palindrome (67543034576).

The spelling of 13140030445 in words is "thirteen billion, one hundred forty million, thirty thousand, four hundred forty-five".