135454542442 has 8 divisors (see below), whose sum is σ = 204076888416. Its totient is φ = 67428912972.

The previous prime is 135454542331. The next prime is 135454542451. The reversal of 135454542442 is 244245454531.

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

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 3 ways as a sum of consecutive naturals, for example, 149178558 + ... + 149179465.

It is an arithmetic number, because the mean of its divisors is an integer number (25509611052).

Almost surely, 2^135454542442 is an apocalyptic number.

135454542442 is a deficient number, since it is larger than the sum of its proper divisors (68622345974).

135454542442 is a wasteful number, since it uses less digits than its factorization.

135454542442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298358252.

The product of its digits is 1536000, while the sum is 43.

Adding to 135454542442 its reverse (244245454531), we get a palindrome (379699996973).

The spelling of 135454542442 in words is "one hundred thirty-five billion, four hundred fifty-four million, five hundred forty-two thousand, four hundred forty-two".