133546311613 has 32 divisors (see below), whose sum is σ = 168938421120. Its totient is φ = 103686850560.

The previous prime is 133546311557. The next prime is 133546311643. The reversal of 133546311613 is 316113645331.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133546311613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133546311643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 322120 + ... + 608977.

It is an arithmetic number, because the mean of its divisors is an integer number (5279325660).

Almost surely, 2^133546311613 is an apocalyptic number.

133546311613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

133546311613 is a deficient number, since it is larger than the sum of its proper divisors (35392109507).

133546311613 is a wasteful number, since it uses less digits than its factorization.

133546311613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931197.

The product of its digits is 58320, while the sum is 37.

Adding to 133546311613 its reverse (316113645331), we get a palindrome (449659956944).

The spelling of 133546311613 in words is "one hundred thirty-three billion, five hundred forty-six million, three hundred eleven thousand, six hundred thirteen".