135411736515623 has 8 divisors (see below), whose sum is σ = 137631790071600. Its totient is φ = 133191689057280.

The previous prime is 135411736515617. The next prime is 135411736515673. The reversal of 135411736515623 is 326515637114531.

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 135411736515623 - 2¹⁴ = 135411736499239 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 (135411736515673) 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, 72404711 + ... + 74251367.

It is an arithmetic number, because the mean of its divisors is an integer number (17203973758950).

Almost surely, 2^{135411736515623} is an apocalyptic number.

135411736515623 is a deficient number, since it is larger than the sum of its proper divisors (2220053555977).

135411736515623 is a wasteful number, since it uses less digits than its factorization.

135411736515623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3048817.

The product of its digits is 6804000, while the sum is 53.

The spelling of 135411736515623 in words is "one hundred thirty-five trillion, four hundred eleven billion, seven hundred thirty-six million, five hundred fifteen thousand, six hundred twenty-three".