136209770 has 16 divisors (see below), whose sum is σ = 245311200. Its totient is φ = 54454224.

The previous prime is 136209769. The next prime is 136209791. The reversal of 136209770 is 77902631.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 136209770.

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, 31181 + ... + 35279.

It is an arithmetic number, because the mean of its divisors is an integer number (15331950).

Almost surely, 2^136209770 is an apocalyptic number.

136209770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136209770 is a deficient number, since it is larger than the sum of its proper divisors (109101430).

136209770 is a wasteful number, since it uses less digits than its factorization.

136209770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7429.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 136209770 is about 11670.8941388396. The cubic root of 136209770 is about 514.5205831610.

The spelling of 136209770 in words is "one hundred thirty-six million, two hundred nine thousand, seven hundred seventy".