136416289 has 4 divisors (see below), whose sum is σ = 142347456. Its totient is φ = 130485124.

The previous prime is 136416283. The next prime is 136416317. The reversal of 136416289 is 982614631.

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 136416289 - 2³ = 136416281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136416281) 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, 2965549 + ... + 2965594.

It is an arithmetic number, because the mean of its divisors is an integer number (35586864).

Almost surely, 2^136416289 is an apocalyptic number.

It is an amenable number.

136416289 is a deficient number, since it is larger than the sum of its proper divisors (5931167).

136416289 is an equidigital number, since it uses as much as digits as its factorization.

136416289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5931166.

The product of its digits is 62208, while the sum is 40.

The square root of 136416289 is about 11679.7383960430. The cubic root of 136416289 is about 514.7804877164.

The spelling of 136416289 in words is "one hundred thirty-six million, four hundred sixteen thousand, two hundred eighty-nine".