13240041145 has 8 divisors (see below), whose sum is σ = 15889434120. Its totient is φ = 10591109760.

The previous prime is 13240041137. The next prime is 13240041151. The reversal of 13240041145 is 54114004231.

It can be written as a sum of positive squares in 4 ways, for example, as 1359913129 + 11880128016 = 36877^2 + 108996^2 .

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

It is not a de Polignac number, because 13240041145 - 2³ = 13240041137 is a prime.

It is a super-2 number, since 2×13240041145² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48796 + ... + 169885.

It is an arithmetic number, because the mean of its divisors is an integer number (1986179265).

Almost surely, 2^13240041145 is an apocalyptic number.

It is an amenable number.

13240041145 is a deficient number, since it is larger than the sum of its proper divisors (2649392975).

13240041145 is a wasteful number, since it uses less digits than its factorization.

13240041145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230795.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 13240041145 its reverse (54114004231), we get a palindrome (67354045376).

The spelling of 13240041145 in words is "thirteen billion, two hundred forty million, forty-one thousand, one hundred forty-five".