133155066263465 has 16 divisors (see below), whose sum is σ = 165817382694480. Its totient is φ = 102526359264000.

The previous prime is 133155066263437. The next prime is 133155066263477. The reversal of 133155066263465 is 564362660551331.

It can be written as a sum of positive squares in 8 ways, for example, as 28629993616 + 133126436269849 = 169204^2 + 11538043^2 .

It is not a de Polignac number, because 133155066263465 - 2¹⁴ = 133155066247081 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 133155066263465.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1448393786 + ... + 1448485715.

It is an arithmetic number, because the mean of its divisors is an integer number (10363586418405).

Almost surely, 2^{133155066263465} is an apocalyptic number.

It is an amenable number.

133155066263465 is a deficient number, since it is larger than the sum of its proper divisors (32662316431015).

133155066263465 is a wasteful number, since it uses less digits than its factorization.

133155066263465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2896879852.

The product of its (nonzero) digits is 34992000, while the sum is 56.

The spelling of 133155066263465 in words is "one hundred thirty-three trillion, one hundred fifty-five billion, sixty-six million, two hundred sixty-three thousand, four hundred sixty-five".