13156226536 has 32 divisors (see below), whose sum is σ = 25535241000. Its totient is φ = 6347126016.

The previous prime is 13156226519. The next prime is 13156226537. The reversal of 13156226536 is 63562265131.

It can be written as a sum of positive squares in 4 ways, for example, as 6757826436 + 6398400100 = 82206^2 + 79990^2 .

It is not an unprimeable number, because it can be changed into a prime (13156226537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352750 + ... + 388258.

Almost surely, 2^13156226536 is an apocalyptic number.

It is an amenable number.

13156226536 is a deficient number, since it is larger than the sum of its proper divisors (12379014464).

13156226536 is a wasteful number, since it uses less digits than its factorization.

13156226536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37141 (or 37137 counting only the distinct ones).

The product of its digits is 194400, while the sum is 40.

The spelling of 13156226536 in words is "thirteen billion, one hundred fifty-six million, two hundred twenty-six thousand, five hundred thirty-six".