136428847 has 16 divisors (see below), whose sum is σ = 148443840. Its totient is φ = 124993792.

The previous prime is 136428841. The next prime is 136428857. The reversal of 136428847 is 748824631.

136428847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 136428847 - 2¹¹ = 136426799 is a prime.

It is a super-2 number, since 2×136428847² = 37225660587498818, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136428841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90633 + ... + 92125.

It is an arithmetic number, because the mean of its divisors is an integer number (9277740).

Almost surely, 2^136428847 is an apocalyptic number.

136428847 is a deficient number, since it is larger than the sum of its proper divisors (12014993).

136428847 is a wasteful number, since it uses less digits than its factorization.

136428847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682.

The product of its digits is 258048, while the sum is 43.

The square root of 136428847 is about 11680.2759813285. The cubic root of 136428847 is about 514.7962835207.

The spelling of 136428847 in words is "one hundred thirty-six million, four hundred twenty-eight thousand, eight hundred forty-seven".