13534231140 has 48 divisors (see below), whose sum is σ = 42106498560. Its totient is φ = 3609128160.

The previous prime is 13534231127. The next prime is 13534231169. The reversal of 13534231140 is 4113243531.

It is a happy number.

13534231140 is a `hidden beast` number, since 1 + 3 + 5 + 342 + 311 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12531156 + ... + 12532235.

It is an arithmetic number, because the mean of its divisors is an integer number (877218720).

Almost surely, 2^13534231140 is an apocalyptic number.

13534231140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13534231140 is an abundant number, since it is smaller than the sum of its proper divisors (28572267420).

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

13534231140 is a wasteful number, since it uses less digits than its factorization.

13534231140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25063409 (or 25063401 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 13534231140 its reverse (4113243531), we get a palindrome (17647474671).

The spelling of 13534231140 in words is "thirteen billion, five hundred thirty-four million, two hundred thirty-one thousand, one hundred forty".