135541133 has 8 divisors (see below), whose sum is σ = 166819968. Its totient is φ = 107241264.

The previous prime is 135541129. The next prime is 135541151. The reversal of 135541133 is 331145531.

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

It is not a de Polignac number, because 135541133 - 2² = 135541129 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135541033) 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, 744641 + ... + 744822.

It is an arithmetic number, because the mean of its divisors is an integer number (20852496).

Almost surely, 2^135541133 is an apocalyptic number.

135541133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

135541133 is a deficient number, since it is larger than the sum of its proper divisors (31278835).

135541133 is a wasteful number, since it uses less digits than its factorization.

135541133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489483.

The product of its digits is 2700, while the sum is 26.

The square root of 135541133 is about 11642.2134063931. The cubic root of 135541133 is about 513.6772957107.

Adding to 135541133 its reverse (331145531), we get a palindrome (466686664).

The spelling of 135541133 in words is "one hundred thirty-five million, five hundred forty-one thousand, one hundred thirty-three".