136547028161 has 16 divisors (see below), whose sum is σ = 141445920000. Its totient is φ = 131727772800.

The previous prime is 136547028157. The next prime is 136547028181. The reversal of 136547028161 is 161820745631.

It is a cyclic number.

It is not a de Polignac number, because 136547028161 - 2² = 136547028157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136547028151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2199416 + ... + 2260646.

It is an arithmetic number, because the mean of its divisors is an integer number (8840370000).

Almost surely, 2^136547028161 is an apocalyptic number.

It is an amenable number.

136547028161 is a deficient number, since it is larger than the sum of its proper divisors (4898891839).

136547028161 is a wasteful number, since it uses less digits than its factorization.

136547028161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61880.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 136547028161 in words is "one hundred thirty-six billion, five hundred forty-seven million, twenty-eight thousand, one hundred sixty-one".