135533141 has 4 divisors (see below), whose sum is σ = 136522572. Its totient is φ = 134543712.

The previous prime is 135533117. The next prime is 135533159. The reversal of 135533141 is 141335531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 141335531 = 29 ⋅4873639.

It can be written as a sum of positive squares in 2 ways, for example, as 65141041 + 70392100 = 8071^2 + 8390^2 .

It is a cyclic number.

It is not a de Polignac number, because 135533141 - 2⁶ = 135533077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135533141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135533191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494510 + ... + 494783.

It is an arithmetic number, because the mean of its divisors is an integer number (34130643).

Almost surely, 2^135533141 is an apocalyptic number.

It is an amenable number.

135533141 is a deficient number, since it is larger than the sum of its proper divisors (989431).

135533141 is an equidigital number, since it uses as much as digits as its factorization.

135533141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989430.

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

The square root of 135533141 is about 11641.8701676320. The cubic root of 135533141 is about 513.6671994160.

Adding to 135533141 its reverse (141335531), we get a palindrome (276868672).

The spelling of 135533141 in words is "one hundred thirty-five million, five hundred thirty-three thousand, one hundred forty-one".