135623234240533 has 8 divisors (see below), whose sum is σ = 146060342754200. Its totient is φ = 125186776017408.

The previous prime is 135623234240503. The next prime is 135623234240537. The reversal of 135623234240533 is 335042432326531.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1616170636369 + 134007063604164 = 1271287^2 + 11576142^2 .

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 135623234240533 - 2²¹ = 135623232143381 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 (135623234240537) 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, 162139428 + ... + 162973741.

It is an arithmetic number, because the mean of its divisors is an integer number (18257542844275).

Almost surely, 2^{135623234240533} is an apocalyptic number.

135623234240533 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

135623234240533 is a deficient number, since it is larger than the sum of its proper divisors (10437108513667).

135623234240533 is a wasteful number, since it uses less digits than its factorization.

135623234240533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325145271.

The product of its (nonzero) digits is 4665600, while the sum is 46.

The spelling of 135623234240533 in words is "one hundred thirty-five trillion, six hundred twenty-three billion, two hundred thirty-four million, two hundred forty thousand, five hundred thirty-three".