13540482304066 has 4 divisors (see below), whose sum is σ = 20310723456102. Its totient is φ = 6770241152032.

The previous prime is 13540482304061. The next prime is 13540482304103. The reversal of 13540482304066 is 66040328404531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9744917239225 + 3795565064841 = 3121685^2 + 1948221^2 .

It is a super-2 number, since 2×13540482304066² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13540482304061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3385120576015 + ... + 3385120576018.

Almost surely, 2^{13540482304066} is an apocalyptic number.

13540482304066 is a deficient number, since it is larger than the sum of its proper divisors (6770241152036).

13540482304066 is an equidigital number, since it uses as much as digits as its factorization.

13540482304066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6770241152035.

The product of its (nonzero) digits is 1658880, while the sum is 46.

The spelling of 13540482304066 in words is "thirteen trillion, five hundred forty billion, four hundred eighty-two million, three hundred four thousand, sixty-six".