136731146073 has 4 divisors (see below), whose sum is σ = 182308194768. Its totient is φ = 91154097380.

The previous prime is 136731146059. The next prime is 136731146093. The reversal of 136731146073 is 370641137631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 370641137631 = 3 ⋅123547045877.

It is a cyclic number.

It is not a de Polignac number, because 136731146073 - 2⁹ = 136731145561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136731146093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22788524343 + ... + 22788524348.

It is an arithmetic number, because the mean of its divisors is an integer number (45577048692).

Almost surely, 2^136731146073 is an apocalyptic number.

It is an amenable number.

136731146073 is a deficient number, since it is larger than the sum of its proper divisors (45577048695).

136731146073 is an equidigital number, since it uses as much as digits as its factorization.

136731146073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45577048694.

The product of its (nonzero) digits is 190512, while the sum is 42.

The spelling of 136731146073 in words is "one hundred thirty-six billion, seven hundred thirty-one million, one hundred forty-six thousand, seventy-three".