135254033161 has 8 divisors (see below), whose sum is σ = 146635763400. Its totient is φ = 124011956352.

The previous prime is 135254033147. The next prime is 135254033203. The reversal of 135254033161 is 161330452531.

It can be written as a sum of positive squares in 4 ways, for example, as 514382400 + 134739650761 = 22680^2 + 367069^2 .

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 135254033161 - 2⁵ = 135254033129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135254033111) 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, 34911340 + ... + 34915213.

It is an arithmetic number, because the mean of its divisors is an integer number (18329470425).

Almost surely, 2^135254033161 is an apocalyptic number.

It is an amenable number.

135254033161 is a deficient number, since it is larger than the sum of its proper divisors (11381730239).

135254033161 is a wasteful number, since it uses less digits than its factorization.

135254033161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69826715.

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 135254033161 its reverse (161330452531), we get a palindrome (296584485692).

The spelling of 135254033161 in words is "one hundred thirty-five billion, two hundred fifty-four million, thirty-three thousand, one hundred sixty-one".