13542231005 has 8 divisors (see below), whose sum is σ = 16262452824. Its totient is φ = 10825934400.

The previous prime is 13542230983. The next prime is 13542231023. The reversal of 13542231005 is 50013224531.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2602326169 + 10939904836 = 51013^2 + 104594^2 .

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

It is not a de Polignac number, because 13542231005 - 2¹⁸ = 13541968861 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 973706 + ... + 987515.

It is an arithmetic number, because the mean of its divisors is an integer number (2032806603).

Almost surely, 2^13542231005 is an apocalyptic number.

It is an amenable number.

13542231005 is a deficient number, since it is larger than the sum of its proper divisors (2720221819).

13542231005 is a wasteful number, since it uses less digits than its factorization.

13542231005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962607.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 13542231005 its reverse (50013224531), we get a palindrome (63555455536).

The spelling of 13542231005 in words is "thirteen billion, five hundred forty-two million, two hundred thirty-one thousand, five".