545133135135421 has 8 divisors (see below), whose sum is σ = 639847386414080. Its totient is φ = 454628406135888.

The previous prime is 545133135135397. The next prime is 545133135135469. The reversal of 545133135135421 is 124531531331545.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 545133135135421 - 2⁷ = 545133135135293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545133135135481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1052380569501 + ... + 1052380570018.

It is an arithmetic number, because the mean of its divisors is an integer number (79980923301760).

Almost surely, 2^{545133135135421} is an apocalyptic number.

It is an amenable number.

545133135135421 is a deficient number, since it is larger than the sum of its proper divisors (94714251278659).

545133135135421 is a wasteful number, since it uses less digits than its factorization.

545133135135421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104761139563.

The product of its digits is 1620000, while the sum is 46.

Adding to 545133135135421 its reverse (124531531331545), we get a palindrome (669664666466966).

The spelling of 545133135135421 in words is "five hundred forty-five trillion, one hundred thirty-three billion, one hundred thirty-five million, one hundred thirty-five thousand, four hundred twenty-one".