135541043 has 8 divisors (see below), whose sum is σ = 148111536. Its totient is φ = 123012000.

The previous prime is 135541033. The next prime is 135541069. The reversal of 135541043 is 340145531.

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 135541043 - 2¹⁰ = 135540019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135541013) 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, 3308 + ... + 16793.

It is an arithmetic number, because the mean of its divisors is an integer number (18513942).

Almost surely, 2^135541043 is an apocalyptic number.

135541043 is a deficient number, since it is larger than the sum of its proper divisors (12570493).

135541043 is a wasteful number, since it uses less digits than its factorization.

135541043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20725.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 135541043 is about 11642.2095411481. The cubic root of 135541043 is about 513.6771820159.

Adding to 135541043 its reverse (340145531), we get a palindrome (475686574).

The spelling of 135541043 in words is "one hundred thirty-five million, five hundred forty-one thousand, forty-three".