136531305859 has 8 divisors (see below), whose sum is σ = 153426484512. Its totient is φ = 120549380160.

The previous prime is 136531305851. The next prime is 136531305901. The reversal of 136531305859 is 958503135631.

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 136531305859 - 2³ = 136531305851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136531305851) 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, 228312922 + ... + 228313519.

It is an arithmetic number, because the mean of its divisors is an integer number (19178310564).

Almost surely, 2^136531305859 is an apocalyptic number.

136531305859 is a deficient number, since it is larger than the sum of its proper divisors (16895178653).

136531305859 is a wasteful number, since it uses less digits than its factorization.

136531305859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456626477.

The product of its (nonzero) digits is 1458000, while the sum is 49.

The spelling of 136531305859 in words is "one hundred thirty-six billion, five hundred thirty-one million, three hundred five thousand, eight hundred fifty-nine".