136777550 has 96 divisors (see below), whose sum is σ = 326979072. Its totient is φ = 41374080.

The previous prime is 136777547. The next prime is 136777559. The reversal of 136777550 is 55777631.

It is a junction number, because it is equal to n+sod(n) for n = 136777498 and 136777507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136777559) 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 47 ways as a sum of consecutive naturals, for example, 103997 + ... + 105303.

It is an arithmetic number, because the mean of its divisors is an integer number (3406032).

Almost surely, 2^136777550 is an apocalyptic number.

136777550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136777550 is an abundant number, since it is smaller than the sum of its proper divisors (190201522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136777550 is a wasteful number, since it uses less digits than its factorization.

136777550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362 (or 1357 counting only the distinct ones).

The product of its (nonzero) digits is 154350, while the sum is 41.

The square root of 136777550 is about 11695.1934571430. The cubic root of 136777550 is about 515.2345053235.

The spelling of 136777550 in words is "one hundred thirty-six million, seven hundred seventy-seven thousand, five hundred fifty".