136001023 has 2 divisors, whose sum is σ = 136001024. Its totient is φ = 136001022.

The previous prime is 136001017. The next prime is 136001051. The reversal of 136001023 is 320100631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136001023 - 2²¹ = 133903871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136000988 and 136001006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136001053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68000511 + 68000512.

It is an arithmetic number, because the mean of its divisors is an integer number (68000512).

Almost surely, 2^136001023 is an apocalyptic number.

136001023 is a deficient number, since it is larger than the sum of its proper divisors (1).

136001023 is an equidigital number, since it uses as much as digits as its factorization.

136001023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 136001023 is about 11661.9476503713. The cubic root of 136001023 is about 514.2576075505.

Adding to 136001023 its reverse (320100631), we get a palindrome (456101654).

The spelling of 136001023 in words is "one hundred thirty-six million, one thousand, twenty-three".