12453136546 has 8 divisors (see below), whose sum is σ = 19184561820. Its totient is φ = 6058282608.

The previous prime is 12453136477. The next prime is 12453136567. The reversal of 12453136546 is 64563135421.

It can be written as a sum of positive squares in 2 ways, for example, as 12317670225 + 135466321 = 110985^2 + 11639^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12453136499 and 12453136508.

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, 84142741 + ... + 84142888.

Almost surely, 2^12453136546 is an apocalyptic number.

12453136546 is a deficient number, since it is larger than the sum of its proper divisors (6731425274).

12453136546 is a wasteful number, since it uses less digits than its factorization.

12453136546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168285668.

The product of its digits is 259200, while the sum is 40.

The spelling of 12453136546 in words is "twelve billion, four hundred fifty-three million, one hundred thirty-six thousand, five hundred forty-six".