136028123247 has 8 divisors (see below), whose sum is σ = 181414667520. Its totient is φ = 90663497240.

The previous prime is 136028123237. The next prime is 136028123251. The reversal of 136028123247 is 742321820631.

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

It is a cyclic number.

It is not a de Polignac number, because 136028123247 - 2¹¹ = 136028121199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136028123207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5465079 + ... + 5489912.

It is an arithmetic number, because the mean of its divisors is an integer number (22676833440).

Almost surely, 2^136028123247 is an apocalyptic number.

136028123247 is a deficient number, since it is larger than the sum of its proper divisors (45386544273).

136028123247 is a wasteful number, since it uses less digits than its factorization.

136028123247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10959133.

The product of its (nonzero) digits is 96768, while the sum is 39.

Adding to 136028123247 its reverse (742321820631), we get a palindrome (878349943878).

The spelling of 136028123247 in words is "one hundred thirty-six billion, twenty-eight million, one hundred twenty-three thousand, two hundred forty-seven".