136755427 has 8 divisors (see below), whose sum is σ = 137809152. Its totient is φ = 135705600.

The previous prime is 136755413. The next prime is 136755431. The reversal of 136755427 is 724557631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136755427 is a prime.

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 136755427.

It is not an unprimeable number, because it can be changed into a prime (136755127) 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 7 ways as a sum of consecutive naturals, for example, 121873 + ... + 122989.

It is an arithmetic number, because the mean of its divisors is an integer number (17226144).

Almost surely, 2^136755427 is an apocalyptic number.

136755427 is a deficient number, since it is larger than the sum of its proper divisors (1053725).

136755427 is a wasteful number, since it uses less digits than its factorization.

136755427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949.

The product of its digits is 176400, while the sum is 40.

The square root of 136755427 is about 11694.2476029884. The cubic root of 136755427 is about 515.2067250639.

The spelling of 136755427 in words is "one hundred thirty-six million, seven hundred fifty-five thousand, four hundred twenty-seven".