136502001 has 6 divisors (see below), whose sum is σ = 197169570. Its totient is φ = 91001328.

The previous prime is 136501979. The next prime is 136502011. The reversal of 136502001 is 100205631.

136502001 is a `hidden beast` number, since 13 + 650 + 2 + 0 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 134096400 + 2405601 = 11580^2 + 1551^2 .

It is not a de Polignac number, because 136502001 - 2⁵ = 136501969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136502011) 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 5 ways as a sum of consecutive naturals, for example, 7583436 + ... + 7583453.

It is an arithmetic number, because the mean of its divisors is an integer number (32861595).

Almost surely, 2^136502001 is an apocalyptic number.

It is an amenable number.

136502001 is a deficient number, since it is larger than the sum of its proper divisors (60667569).

136502001 is a wasteful number, since it uses less digits than its factorization.

136502001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15166895 (or 15166892 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 136502001 is about 11683.4070801286. The cubic root of 136502001 is about 514.8882794074. Note that the first 3 decimals are identical.

Adding to 136502001 its reverse (100205631), we get a palindrome (236707632).

It can be divided in two parts, 13650 and 2001, that added together give a palindrome (15651).

The spelling of 136502001 in words is "one hundred thirty-six million, five hundred two thousand, one".