134868443522 has 6 divisors (see below), whose sum is σ = 202303444329. Its totient is φ = 67433962080.

The previous prime is 134868443513. The next prime is 134868443531. The reversal of 134868443522 is 225344868431.

It is an interprime number because it is at equal distance from previous prime (134868443513) and next prime (134868443531).

It can be written as a sum of positive squares in 2 ways, for example, as 85562685121 + 49305758401 = 292511^2 + 222049^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=259681.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 389522 + ... + 649202.

Almost surely, 2^134868443522 is an apocalyptic number.

134868443522 is a deficient number, since it is larger than the sum of its proper divisors (67435000807).

134868443522 is an frugal number, since it uses more digits than its factorization.

134868443522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519364 (or 259683 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 50.

Multiplying 134868443522 by its sum of digits (50), we get a square (6743422176100 = 2596810²).

The spelling of 134868443522 in words is "one hundred thirty-four billion, eight hundred sixty-eight million, four hundred forty-three thousand, five hundred twenty-two".