134047678081 has 8 divisors (see below), whose sum is σ = 134610104160. Its totient is φ = 133485877632.

The previous prime is 134047678073. The next prime is 134047678087. The reversal of 134047678081 is 180876740431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134047678081 - 2³ = 134047678073 is a prime.

It is a super-2 number, since 2×134047678081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134047678087) 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, 275505 + ... + 586513.

It is an arithmetic number, because the mean of its divisors is an integer number (16826263020).

Almost surely, 2^134047678081 is an apocalyptic number.

It is an amenable number.

134047678081 is a deficient number, since it is larger than the sum of its proper divisors (562426079).

134047678081 is a wasteful number, since it uses less digits than its factorization.

134047678081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312815.

The product of its (nonzero) digits is 903168, while the sum is 49.

The spelling of 134047678081 in words is "one hundred thirty-four billion, forty-seven million, six hundred seventy-eight thousand, eighty-one".