135585078547 has 8 divisors (see below), whose sum is σ = 136277013600. Its totient is φ = 134893249920.

The previous prime is 135585078533. The next prime is 135585078557. The reversal of 135585078547 is 745870585531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135585078547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135585078491 and 135585078500.

It is not an unprimeable number, because it can be changed into a prime (135585078557) 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, 4341147 + ... + 4372267.

It is an arithmetic number, because the mean of its divisors is an integer number (17034626700).

Almost surely, 2^135585078547 is an apocalyptic number.

135585078547 is a deficient number, since it is larger than the sum of its proper divisors (691935053).

135585078547 is a wasteful number, since it uses less digits than its factorization.

135585078547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53213.

The product of its (nonzero) digits is 23520000, while the sum is 58.

The spelling of 135585078547 in words is "one hundred thirty-five billion, five hundred eighty-five million, seventy-eight thousand, five hundred forty-seven".