13540334354 has 12 divisors (see below), whose sum is σ = 20424698574. Its totient is φ = 6732313152.

The previous prime is 13540334351. The next prime is 13540334377. The reversal of 13540334354 is 45343304531.

It can be written as a sum of positive squares in only one way, i.e., 10156003729 + 3384330625 = 100777^2 + 58175^2 .

It is a super-2 number, since 2×13540334354² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13540334351) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41567 + ... + 169730.

Almost surely, 2^13540334354 is an apocalyptic number.

13540334354 is a deficient number, since it is larger than the sum of its proper divisors (6884364220).

13540334354 is an equidigital number, since it uses as much as digits as its factorization.

13540334354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211657 (or 211478 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 35.

Adding to 13540334354 its reverse (45343304531), we get a palindrome (58883638885).

The spelling of 13540334354 in words is "thirteen billion, five hundred forty million, three hundred thirty-four thousand, three hundred fifty-four".