13541534242 has 8 divisors (see below), whose sum is σ = 20335465116. Its totient is φ = 6763045872.

The previous prime is 13541534239. The next prime is 13541534269. The reversal of 13541534242 is 24243514531.

It can be written as a sum of positive squares in 2 ways, for example, as 11386810681 + 2154723561 = 106709^2 + 46419^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13541534198 and 13541534207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3858433 + ... + 3861940.

Almost surely, 2^13541534242 is an apocalyptic number.

13541534242 is a deficient number, since it is larger than the sum of its proper divisors (6793930874).

13541534242 is an equidigital number, since it uses as much as digits as its factorization.

13541534242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7721252.

The product of its digits is 57600, while the sum is 34.

The spelling of 13541534242 in words is "thirteen billion, five hundred forty-one million, five hundred thirty-four thousand, two hundred forty-two".