134401137081 has 32 divisors (see below), whose sum is σ = 185709232128. Its totient is φ = 86370261120.

The previous prime is 134401137061. The next prime is 134401137089. The reversal of 134401137081 is 180731104431.

It is a happy number.

It is not a de Polignac number, because 134401137081 - 2⁵ = 134401137049 is a prime.

It is a super-3 number, since 3×134401137081³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (134401137089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33372990 + ... + 33377016.

It is an arithmetic number, because the mean of its divisors is an integer number (5803413504).

Almost surely, 2^134401137081 is an apocalyptic number.

It is an amenable number.

134401137081 is a deficient number, since it is larger than the sum of its proper divisors (51308095047).

134401137081 is a wasteful number, since it uses less digits than its factorization.

134401137081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5381.

The product of its (nonzero) digits is 8064, while the sum is 33.

The spelling of 134401137081 in words is "one hundred thirty-four billion, four hundred one million, one hundred thirty-seven thousand, eighty-one".