135421413254 has 8 divisors (see below), whose sum is σ = 203143366800. Its totient is φ = 67706957656.

The previous prime is 135421413227. The next prime is 135421413287. The reversal of 135421413254 is 452314124531.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1829114 + ... + 1901709.

It is an arithmetic number, because the mean of its divisors is an integer number (25392920850).

Almost surely, 2^135421413254 is an apocalyptic number.

135421413254 is a deficient number, since it is larger than the sum of its proper divisors (67721953546).

135421413254 is a wasteful number, since it uses less digits than its factorization.

135421413254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3748974.

The product of its digits is 57600, while the sum is 35.

Adding to 135421413254 its reverse (452314124531), we get a palindrome (587735537785).

The spelling of 135421413254 in words is "one hundred thirty-five billion, four hundred twenty-one million, four hundred thirteen thousand, two hundred fifty-four".