133023163505537 has 4 divisors (see below), whose sum is σ = 133031905267716. Its totient is φ = 133014421743360.

The previous prime is 133023163505489. The next prime is 133023163505569. The reversal of 133023163505537 is 735505361320331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64909190277376 + 68113973228161 = 8056624^2 + 8253119^2 .

It is a cyclic number.

It is not a de Polignac number, because 133023163505537 - 2⁴⁶ = 62654419327873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133023163505491 and 133023163505500.

It is not an unprimeable number, because it can be changed into a prime (133023163505137) 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, 4370858264 + ... + 4370888697.

It is an arithmetic number, because the mean of its divisors is an integer number (33257976316929).

Almost surely, 2^{133023163505537} is an apocalyptic number.

It is an amenable number.

133023163505537 is a deficient number, since it is larger than the sum of its proper divisors (8741762179).

133023163505537 is an equidigital number, since it uses as much as digits as its factorization.

133023163505537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8741762178.

The product of its (nonzero) digits is 2551500, while the sum is 47.

The spelling of 133023163505537 in words is "one hundred thirty-three trillion, twenty-three billion, one hundred sixty-three million, five hundred five thousand, five hundred thirty-seven".