136977055 has 16 divisors (see below), whose sum is σ = 168078240. Its totient is φ = 107132032.

The previous prime is 136977053. The next prime is 136977091. The reversal of 136977055 is 550779631.

It is a cyclic number.

It is not a de Polignac number, because 136977055 - 2¹ = 136977053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136977053) by changing a digit.

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, 56937 + ... + 59293.

It is an arithmetic number, because the mean of its divisors is an integer number (10504890).

Almost surely, 2^136977055 is an apocalyptic number.

136977055 is a deficient number, since it is larger than the sum of its proper divisors (31101185).

136977055 is a wasteful number, since it uses less digits than its factorization.

136977055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2618.

The product of its (nonzero) digits is 198450, while the sum is 43.

The square root of 136977055 is about 11703.7197078536. The cubic root of 136977055 is about 515.4848922297.

The spelling of 136977055 in words is "one hundred thirty-six million, nine hundred seventy-seven thousand, fifty-five".