136355089 has 4 divisors (see below), whose sum is σ = 146843956. Its totient is φ = 125866224.

The previous prime is 136355059. The next prime is 136355099. The reversal of 136355089 is 980553631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81595089 + 54760000 = 9033^2 + 7400^2 .

It is a cyclic number.

It is not a de Polignac number, because 136355089 - 2⁵ = 136355057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136355059) 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, 5244414 + ... + 5244439.

It is an arithmetic number, because the mean of its divisors is an integer number (36710989).

Almost surely, 2^136355089 is an apocalyptic number.

It is an amenable number.

136355089 is a deficient number, since it is larger than the sum of its proper divisors (10488867).

136355089 is a wasteful number, since it uses less digits than its factorization.

136355089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10488866.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 136355089 is about 11677.1181804416. The cubic root of 136355089 is about 514.7034947646.

The spelling of 136355089 in words is "one hundred thirty-six million, three hundred fifty-five thousand, eighty-nine".