134813400068 has 24 divisors (see below), whose sum is σ = 249814289592. Its totient is φ = 63438301184.

The previous prime is 134813400061. The next prime is 134813400103. The reversal of 134813400068 is 860004318431.

It can be written as a sum of positive squares in 4 ways, for example, as 35820104644 + 98993295424 = 189262^2 + 314632^2 .

It is not an unprimeable number, because it can be changed into a prime (134813400061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1700480 + ... + 1777992.

It is an arithmetic number, because the mean of its divisors is an integer number (10408928733).

Almost surely, 2^134813400068 is an apocalyptic number.

It is an amenable number.

134813400068 is a deficient number, since it is larger than the sum of its proper divisors (115000889524).

134813400068 is a wasteful number, since it uses less digits than its factorization.

134813400068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103111 (or 103109 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

Adding to 134813400068 its reverse (860004318431), we get a palindrome (994817718499).

The spelling of 134813400068 in words is "one hundred thirty-four billion, eight hundred thirteen million, four hundred thousand, sixty-eight".