136078471 has 2 divisors, whose sum is σ = 136078472. Its totient is φ = 136078470.

The previous prime is 136078451. The next prime is 136078493. The reversal of 136078471 is 174870631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136078471 - 2⁷ = 136078343 is a prime.

It is a super-3 number, since 3×136078471³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 136078471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136078451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68039235 + 68039236.

It is an arithmetic number, because the mean of its divisors is an integer number (68039236).

Almost surely, 2^136078471 is an apocalyptic number.

136078471 is a deficient number, since it is larger than the sum of its proper divisors (1).

136078471 is an equidigital number, since it uses as much as digits as its factorization.

136078471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 136078471 is about 11665.2677208884. The cubic root of 136078471 is about 514.3552064862.

The spelling of 136078471 in words is "one hundred thirty-six million, seventy-eight thousand, four hundred seventy-one".