136798436 has 6 divisors (see below), whose sum is σ = 239397270. Its totient is φ = 68399216.

The previous prime is 136798433. The next prime is 136798447. The reversal of 136798436 is 634897631.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 123432100 + 13366336 = 11110^2 + 3656^2 .

It is not an unprimeable number, because it can be changed into a prime (136798433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17099801 + ... + 17099808.

It is an arithmetic number, because the mean of its divisors is an integer number (39899545).

Almost surely, 2^136798436 is an apocalyptic number.

It is an amenable number.

136798436 is a deficient number, since it is larger than the sum of its proper divisors (102598834).

136798436 is a wasteful number, since it uses less digits than its factorization.

136798436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34199613 (or 34199611 counting only the distinct ones).

The product of its digits is 653184, while the sum is 47.

The square root of 136798436 is about 11696.0863539904. The cubic root of 136798436 is about 515.2607295106.

The spelling of 136798436 in words is "one hundred thirty-six million, seven hundred ninety-eight thousand, four hundred thirty-six".