135243526416541 has 4 divisors (see below), whose sum is σ = 135244289720032. Its totient is φ = 135242763113052.

The previous prime is 135243526416497. The next prime is 135243526416571. The reversal of 135243526416541 is 145614625342531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135243526416541 - 2⁴⁵ = 100059154327709 is a prime.

It is a super-2 number, since 2×135243526416541² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135243526416571) by changing a digit.

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, 381385911 + ... + 381740356.

It is an arithmetic number, because the mean of its divisors is an integer number (33811072430008).

Almost surely, 2^{135243526416541} is an apocalyptic number.

It is an amenable number.

135243526416541 is a deficient number, since it is larger than the sum of its proper divisors (763303491).

135243526416541 is an equidigital number, since it uses as much as digits as its factorization.

135243526416541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763303490.

The product of its digits is 10368000, while the sum is 52.

The spelling of 135243526416541 in words is "one hundred thirty-five trillion, two hundred forty-three billion, five hundred twenty-six million, four hundred sixteen thousand, five hundred forty-one".