13534053240 has 32 divisors (see below), whose sum is σ = 40602160080. Its totient is φ = 3609080832.

The previous prime is 13534053233. The next prime is 13534053241. The reversal of 13534053240 is 4235043531.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 13534053198 and 13534053207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13534053241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56391769 + ... + 56392008.

Almost surely, 2^13534053240 is an apocalyptic number.

13534053240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13534053240 is an abundant number, since it is smaller than the sum of its proper divisors (27068106840).

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

13534053240 is a wasteful number, since it uses less digits than its factorization.

13534053240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112783791 (or 112783787 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 13534053240 its reverse (4235043531), we get a palindrome (17769096771).

The spelling of 13534053240 in words is "thirteen billion, five hundred thirty-four million, fifty-three thousand, two hundred forty".