155136727876 has 27 divisors (see below), whose sum is σ = 293998916631. Its totient is φ = 71596840224.

The previous prime is 155136727847. The next prime is 155136727901. The reversal of 155136727876 is 678727631551.

The square root of 155136727876 is 393874.

It is a perfect power (a square), and thus also a powerful number.

155136727876 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5076562500 + 150060165376 = 71250^2 + 387376^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 155136727876.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10233150 + ... + 10248298.

Almost surely, 2^155136727876 is an apocalyptic number.

155136727876 is the 393874-th square number.

It is an amenable number.

155136727876 is a deficient number, since it is larger than the sum of its proper divisors (138862188755).

155136727876 is an frugal number, since it uses more digits than its factorization.

155136727876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30328 (or 15164 counting only the distinct ones).

The product of its digits is 14817600, while the sum is 58.

The spelling of 155136727876 in words is "one hundred fifty-five billion, one hundred thirty-six million, seven hundred twenty-seven thousand, eight hundred seventy-six".