136779884 has 6 divisors (see below), whose sum is σ = 239364804. Its totient is φ = 68389940.

The previous prime is 136779757. The next prime is 136779899. The reversal of 136779884 is 488977631.

It is an unprimeable number.

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, 17097482 + ... + 17097489.

It is an arithmetic number, because the mean of its divisors is an integer number (39894134).

Almost surely, 2^136779884 is an apocalyptic number.

It is an amenable number.

136779884 is a deficient number, since it is larger than the sum of its proper divisors (102584920).

136779884 is a wasteful number, since it uses less digits than its factorization.

136779884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34194975 (or 34194973 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 53.

The square root of 136779884 is about 11695.2932413001. The cubic root of 136779884 is about 515.2374359958.

The spelling of 136779884 in words is "one hundred thirty-six million, seven hundred seventy-nine thousand, eight hundred eighty-four".