133287356456165 has 32 divisors (see below), whose sum is σ = 164664750182400. Its totient is φ = 103523018068800.

The previous prime is 133287356456113. The next prime is 133287356456179. The reversal of 133287356456165 is 561654653782331.

It is not a de Polignac number, because 133287356456165 - 2³⁰ = 133286282714341 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11173850 + ... + 19784580.

It is an arithmetic number, because the mean of its divisors is an integer number (5145773443200).

Almost surely, 2^{133287356456165} is an apocalyptic number.

It is an amenable number.

133287356456165 is a deficient number, since it is larger than the sum of its proper divisors (31377393726235).

133287356456165 is a wasteful number, since it uses less digits than its factorization.

133287356456165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8611313.

The product of its digits is 326592000, while the sum is 65.

The spelling of 133287356456165 in words is "one hundred thirty-three trillion, two hundred eighty-seven billion, three hundred fifty-six million, four hundred fifty-six thousand, one hundred sixty-five".