136846618473 has 4 divisors (see below), whose sum is σ = 182462157968. Its totient is φ = 91231078980.

The previous prime is 136846618463. The next prime is 136846618501. The reversal of 136846618473 is 374816648631.

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.

It is not a de Polignac number, because 136846618473 - 2⁶ = 136846618409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136846618423) 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, 22807769743 + ... + 22807769748.

It is an arithmetic number, because the mean of its divisors is an integer number (45615539492).

Almost surely, 2^136846618473 is an apocalyptic number.

It is an amenable number.

136846618473 is a deficient number, since it is larger than the sum of its proper divisors (45615539495).

136846618473 is an equidigital number, since it uses as much as digits as its factorization.

136846618473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45615539494.

The product of its digits is 13934592, while the sum is 57.

The spelling of 136846618473 in words is "one hundred thirty-six billion, eight hundred forty-six million, six hundred eighteen thousand, four hundred seventy-three".