136277771 has 12 divisors (see below), whose sum is σ = 162813888. Its totient is φ = 113650992.

The previous prime is 136277759. The next prime is 136277803. The reversal of 136277771 is 177772631.

It is not a de Polignac number, because 136277771 - 2¹⁰ = 136276747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136277741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35771 + ... + 39396.

It is an arithmetic number, because the mean of its divisors is an integer number (13567824).

Almost surely, 2^136277771 is an apocalyptic number.

136277771 is a deficient number, since it is larger than the sum of its proper divisors (26536117).

136277771 is an equidigital number, since it uses as much as digits as its factorization.

136277771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75218 (or 75211 counting only the distinct ones).

The product of its digits is 86436, while the sum is 41.

The square root of 136277771 is about 11673.8070482598. The cubic root of 136277771 is about 514.6061915413.

The spelling of 136277771 in words is "one hundred thirty-six million, two hundred seventy-seven thousand, seven hundred seventy-one".