134681400408 has 32 divisors (see below), whose sum is σ = 336719026800. Its totient is φ = 44891730048.

The previous prime is 134681400379. The next prime is 134681400433. The reversal of 134681400408 is 804004186431.

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 7 ways as a sum of consecutive naturals, for example, 455998 + ... + 690866.

Almost surely, 2^134681400408 is an apocalyptic number.

It is an amenable number.

134681400408 is an abundant number, since it is smaller than the sum of its proper divisors (202037626392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134681400408 is a wasteful number, since it uses less digits than its factorization.

134681400408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258771 (or 258767 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

Adding to 134681400408 its reverse (804004186431), we get a palindrome (938685586839).

The spelling of 134681400408 in words is "one hundred thirty-four billion, six hundred eighty-one million, four hundred thousand, four hundred eight".