135561474333 has 6 divisors (see below), whose sum is σ = 195811018494. Its totient is φ = 90374316216.

The previous prime is 135561474287. The next prime is 135561474353. The reversal of 135561474333 is 333474165531.

135561474333 is a `hidden beast` number, since 1 + 3 + 5 + 561 + 47 + 43 + 3 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 89584680249 + 45976794084 = 299307^2 + 214422^2 .

It is not a de Polignac number, because 135561474333 - 2¹³ = 135561466141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135561474353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7531193010 + ... + 7531193027.

It is an arithmetic number, because the mean of its divisors is an integer number (32635169749).

Almost surely, 2^135561474333 is an apocalyptic number.

It is an amenable number.

135561474333 is a deficient number, since it is larger than the sum of its proper divisors (60249544161).

135561474333 is a wasteful number, since it uses less digits than its factorization.

135561474333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15062386043 (or 15062386040 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 45.

The spelling of 135561474333 in words is "one hundred thirty-five billion, five hundred sixty-one million, four hundred seventy-four thousand, three hundred thirty-three".