133620333613 has 8 divisors (see below), whose sum is σ = 144278506400. Its totient is φ = 123016401648.

The previous prime is 133620333599. The next prime is 133620333643. The reversal of 133620333613 is 316333026331.

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 133620333613 - 2²¹ = 133618236461 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 (133620333643) 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, 13555083 + ... + 13564936.

It is an arithmetic number, because the mean of its divisors is an integer number (18034813300).

Almost surely, 2^133620333613 is an apocalyptic number.

133620333613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

133620333613 is a deficient number, since it is larger than the sum of its proper divisors (10658172787).

133620333613 is a wasteful number, since it uses less digits than its factorization.

133620333613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27120411.

The product of its (nonzero) digits is 52488, while the sum is 34.

Adding to 133620333613 its reverse (316333026331), we get a palindrome (449953359944).

The spelling of 133620333613 in words is "one hundred thirty-three billion, six hundred twenty million, three hundred thirty-three thousand, six hundred thirteen".