13545540234 has 48 divisors (see below), whose sum is σ = 30344394600. Its totient is φ = 4363632000.

The previous prime is 13545540227. The next prime is 13545540289. The reversal of 13545540234 is 43204554531.

13545540234 is a `hidden beast` number, since 135 + 455 + 40 + 2 + 34 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 9653652009 + 3891888225 = 98253^2 + 62385^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30984 + ... + 167484.

Almost surely, 2^13545540234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13545540234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15172197300).

13545540234 is an abundant number, since it is smaller than the sum of its proper divisors (16798854366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13545540234 is a wasteful number, since it uses less digits than its factorization.

13545540234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136695 (or 136692 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 13545540234 in words is "thirteen billion, five hundred forty-five million, five hundred forty thousand, two hundred thirty-four".