134444121506 has 8 divisors (see below), whose sum is σ = 202062384540. Its totient is φ = 67089993328.

The previous prime is 134444121473. The next prime is 134444121509. The reversal of 134444121506 is 605121444431.

It can be written as a sum of positive squares in 2 ways, for example, as 128229164281 + 6214957225 = 358091^2 + 78835^2 .

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

It is not an unprimeable number, because it can be changed into a prime (134444121509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66032441 + ... + 66034476.

Almost surely, 2^134444121506 is an apocalyptic number.

134444121506 is a deficient number, since it is larger than the sum of its proper divisors (67618263034).

134444121506 is a wasteful number, since it uses less digits than its factorization.

134444121506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132067428.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 134444121506 its reverse (605121444431), we get a palindrome (739565565937).

The spelling of 134444121506 in words is "one hundred thirty-four billion, four hundred forty-four million, one hundred twenty-one thousand, five hundred six".