135420544234454 has 16 divisors (see below), whose sum is σ = 203902185952080. Its totient is φ = 67453588070400.

The previous prime is 135420544234387. The next prime is 135420544234477. The reversal of 135420544234454 is 454432445024531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109171004 + ... + 110404479.

It is an arithmetic number, because the mean of its divisors is an integer number (12743886622005).

Almost surely, 2^{135420544234454} is an apocalyptic number.

135420544234454 is a deficient number, since it is larger than the sum of its proper divisors (68481641717626).

135420544234454 is a wasteful number, since it uses less digits than its factorization.

135420544234454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219576655.

The product of its (nonzero) digits is 18432000, while the sum is 50.

Adding to 135420544234454 its reverse (454432445024531), we get a palindrome (589852989258985).

The spelling of 135420544234454 in words is "one hundred thirty-five trillion, four hundred twenty billion, five hundred forty-four million, two hundred thirty-four thousand, four hundred fifty-four".