13146235643 has 8 divisors (see below), whose sum is σ = 13926077568. Its totient is φ = 12367119744.

The previous prime is 13146235637. The next prime is 13146235727. The reversal of 13146235643 is 34653264131.

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

It is not a de Polignac number, because 13146235643 - 2²⁶ = 13079126779 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13146235597 and 13146235606.

It is not an unprimeable number, because it can be changed into a prime (13146235343) 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, 143996 + ... + 216857.

It is an arithmetic number, because the mean of its divisors is an integer number (1740759696).

Almost surely, 2^13146235643 is an apocalyptic number.

13146235643 is a deficient number, since it is larger than the sum of its proper divisors (779841925).

13146235643 is a wasteful number, since it uses less digits than its factorization.

13146235643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363013.

The product of its digits is 155520, while the sum is 38.

Adding to 13146235643 its reverse (34653264131), we get a palindrome (47799499774).

The spelling of 13146235643 in words is "thirteen billion, one hundred forty-six million, two hundred thirty-five thousand, six hundred forty-three".