136777145 has 8 divisors (see below), whose sum is σ = 164489856. Its totient is φ = 109183536.

The previous prime is 136777139. The next prime is 136777183. The reversal of 136777145 is 541777631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136777145 - 2⁸ = 136776889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27227 + ... + 31856.

It is an arithmetic number, because the mean of its divisors is an integer number (20561232).

Almost surely, 2^136777145 is an apocalyptic number.

It is an amenable number.

136777145 is a deficient number, since it is larger than the sum of its proper divisors (27712711).

136777145 is an equidigital number, since it uses as much as digits as its factorization.

136777145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59551.

The product of its digits is 123480, while the sum is 41.

The square root of 136777145 is about 11695.1761423247. The cubic root of 136777145 is about 515.2339967845.

The spelling of 136777145 in words is "one hundred thirty-six million, seven hundred seventy-seven thousand, one hundred forty-five".