136028671 has 2 divisors, whose sum is σ = 136028672. Its totient is φ = 136028670.

The previous prime is 136028623. The next prime is 136028699. The reversal of 136028671 is 176820631.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136028671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136028171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68014335 + 68014336.

It is an arithmetic number, because the mean of its divisors is an integer number (68014336).

Almost surely, 2^136028671 is an apocalyptic number.

136028671 is a deficient number, since it is larger than the sum of its proper divisors (1).

136028671 is an equidigital number, since it uses as much as digits as its factorization.

136028671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 136028671 is about 11663.1329838942. The cubic root of 136028671 is about 514.2924534427.

The spelling of 136028671 in words is "one hundred thirty-six million, twenty-eight thousand, six hundred seventy-one".