136628855 has 16 divisors (see below), whose sum is σ = 186637824. Its totient is φ = 95045280.

The previous prime is 136628819. The next prime is 136628887. The reversal of 136628855 is 558826631.

It is not a de Polignac number, because 136628855 - 2¹⁰ = 136627831 is a prime.

It is a super-2 number, since 2×136628855² = 37334888037222050, which contains 22 as substring.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 52739 + ... + 55268.

It is an arithmetic number, because the mean of its divisors is an integer number (11664864).

Almost surely, 2^136628855 is an apocalyptic number.

136628855 is a deficient number, since it is larger than the sum of its proper divisors (50008969).

136628855 is a wasteful number, since it uses less digits than its factorization.

136628855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108046.

The product of its digits is 345600, while the sum is 44.

The square root of 136628855 is about 11688.8346296797. The cubic root of 136628855 is about 515.0477286334.

The spelling of 136628855 in words is "one hundred thirty-six million, six hundred twenty-eight thousand, eight hundred fifty-five".