136505561524 has 12 divisors (see below), whose sum is σ = 240315181344. Its totient is φ = 67844081144.

The previous prime is 136505561471. The next prime is 136505561539. The reversal of 136505561524 is 425165505631.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102174154 + ... + 102175489.

It is an arithmetic number, because the mean of its divisors is an integer number (20026265112).

Almost surely, 2^136505561524 is an apocalyptic number.

It is an amenable number.

136505561524 is a deficient number, since it is larger than the sum of its proper divisors (103809619820).

136505561524 is a wasteful number, since it uses less digits than its factorization.

136505561524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204349814 (or 204349812 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 43.

The spelling of 136505561524 in words is "one hundred thirty-six billion, five hundred five million, five hundred sixty-one thousand, five hundred twenty-four".