135776471 has 2 divisors, whose sum is σ = 135776472. Its totient is φ = 135776470.

The previous prime is 135776447. The next prime is 135776479. The reversal of 135776471 is 174677531.

135776471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135776471 - 2¹⁴ = 135760087 is a prime.

It is a super-3 number, since 3×135776471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135776479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67888235 + 67888236.

It is an arithmetic number, because the mean of its divisors is an integer number (67888236).

Almost surely, 2^135776471 is an apocalyptic number.

135776471 is a deficient number, since it is larger than the sum of its proper divisors (1).

135776471 is an equidigital number, since it uses as much as digits as its factorization.

135776471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 123480, while the sum is 41.

The square root of 135776471 is about 11652.3161216987. The cubic root of 135776471 is about 513.9744204947.

The spelling of 135776471 in words is "one hundred thirty-five million, seven hundred seventy-six thousand, four hundred seventy-one".