136676121 has 4 divisors (see below), whose sum is σ = 182234832. Its totient is φ = 91117412.

The previous prime is 136676087. The next prime is 136676123. The reversal of 136676121 is 121676631.

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 a cyclic number.

It is not a de Polignac number, because 136676121 - 2¹³ = 136667929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136676123) 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, 22779351 + ... + 22779356.

It is an arithmetic number, because the mean of its divisors is an integer number (45558708).

Almost surely, 2^136676121 is an apocalyptic number.

It is an amenable number.

136676121 is a deficient number, since it is larger than the sum of its proper divisors (45558711).

136676121 is an equidigital number, since it uses as much as digits as its factorization.

136676121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45558710.

The product of its digits is 9072, while the sum is 33.

The square root of 136676121 is about 11690.8562988346. The cubic root of 136676121 is about 515.1071144276.

The spelling of 136676121 in words is "one hundred thirty-six million, six hundred seventy-six thousand, one hundred twenty-one".