135471202965 has 48 divisors (see below), whose sum is σ = 268819544448. Its totient is φ = 61824106368.

The previous prime is 135471202873. The next prime is 135471202991. The reversal of 135471202965 is 569202174531.

135471202965 is a `hidden beast` number, since 1 + 3 + 547 + 1 + 20 + 29 + 65 = 666.

It is not a de Polignac number, because 135471202965 - 2¹² = 135471198869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 135471202965.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 181422 + ... + 551231.

It is an arithmetic number, because the mean of its divisors is an integer number (5600407176).

Almost surely, 2^135471202965 is an apocalyptic number.

135471202965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135471202965 is a deficient number, since it is larger than the sum of its proper divisors (133348341483).

135471202965 is a wasteful number, since it uses less digits than its factorization.

135471202965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733258 (or 733255 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 135471202965 in words is "one hundred thirty-five billion, four hundred seventy-one million, two hundred two thousand, nine hundred sixty-five".