134681400407 has 8 divisors (see below), whose sum is σ = 135624983472. Its totient is φ = 133740443200.

The previous prime is 134681400379. The next prime is 134681400433. The reversal of 134681400407 is 704004186431.

It is a happy number.

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 134681400407 - 2²⁰ = 134680351831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134681400437) 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, 553469 + ... + 758742.

It is an arithmetic number, because the mean of its divisors is an integer number (16953122934).

Almost surely, 2^134681400407 is an apocalyptic number.

134681400407 is a deficient number, since it is larger than the sum of its proper divisors (943583065).

134681400407 is a wasteful number, since it uses less digits than its factorization.

134681400407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312929.

The product of its (nonzero) digits is 64512, while the sum is 38.

Adding to 134681400407 its reverse (704004186431), we get a palindrome (838685586838).

The spelling of 134681400407 in words is "one hundred thirty-four billion, six hundred eighty-one million, four hundred thousand, four hundred seven".