102532135165 has 4 divisors (see below), whose sum is σ = 123038562204. Its totient is φ = 82025708128.

The previous prime is 102532135163. The next prime is 102532135247. The reversal of 102532135165 is 561531235201.

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 34370935236 + 68161199929 = 185394^2 + 261077^2 .

It is a cyclic number.

It is not a de Polignac number, because 102532135165 - 2¹ = 102532135163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102532135165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102532135163) 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, 10253213512 + ... + 10253213521.

It is an arithmetic number, because the mean of its divisors is an integer number (30759640551).

Almost surely, 2^102532135165 is an apocalyptic number.

It is an amenable number.

102532135165 is a deficient number, since it is larger than the sum of its proper divisors (20506427039).

102532135165 is an equidigital number, since it uses as much as digits as its factorization.

102532135165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20506427038.

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 102532135165 in words is "one hundred two billion, five hundred thirty-two million, one hundred thirty-five thousand, one hundred sixty-five".