134501531441623 has 2 divisors, whose sum is σ = 134501531441624. Its totient is φ = 134501531441622.

The previous prime is 134501531441573. The next prime is 134501531441689. The reversal of 134501531441623 is 326144135105431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134501531441623 - 2⁴¹ = 132302508186071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134501531441623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134501531441923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67250765720811 + 67250765720812.

It is an arithmetic number, because the mean of its divisors is an integer number (67250765720812).

Almost surely, 2^{134501531441623} is an apocalyptic number.

134501531441623 is a deficient number, since it is larger than the sum of its proper divisors (1).

134501531441623 is an equidigital number, since it uses as much as digits as its factorization.

134501531441623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 134501531441623 in words is "one hundred thirty-four trillion, five hundred one billion, five hundred thirty-one million, four hundred forty-one thousand, six hundred twenty-three".