135420552513023 has 8 divisors (see below), whose sum is σ = 140328881315280. Its totient is φ = 130528134016000.

The previous prime is 135420552513013. The next prime is 135420552513061. The reversal of 135420552513023 is 320315255024531.

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 135420552513023 - 2²² = 135420548318719 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 (135420552513013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3977558978 + ... + 3977593023.

It is an arithmetic number, because the mean of its divisors is an integer number (17541110164410).

Almost surely, 2^{135420552513023} is an apocalyptic number.

135420552513023 is a deficient number, since it is larger than the sum of its proper divisors (4908328802257).

135420552513023 is an equidigital number, since it uses as much as digits as its factorization.

135420552513023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7955152617.

The product of its (nonzero) digits is 540000, while the sum is 41.

The spelling of 135420552513023 in words is "one hundred thirty-five trillion, four hundred twenty billion, five hundred fifty-two million, five hundred thirteen thousand, twenty-three".