135005477 has 2 divisors, whose sum is σ = 135005478. Its totient is φ = 135005476.

The previous prime is 135005471. The next prime is 135005491. The reversal of 135005477 is 774500531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125574436 + 9431041 = 11206^2 + 3071^2 .

It is a cyclic number.

It is not a de Polignac number, because 135005477 - 2⁶ = 135005413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135005471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67502738 + 67502739.

It is an arithmetic number, because the mean of its divisors is an integer number (67502739).

Almost surely, 2^135005477 is an apocalyptic number.

It is an amenable number.

135005477 is a deficient number, since it is larger than the sum of its proper divisors (1).

135005477 is an equidigital number, since it uses as much as digits as its factorization.

135005477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 135005477 is about 11619.1857287850. The cubic root of 135005477 is about 512.9997213449. Note that the first 3 decimals are identical.

The spelling of 135005477 in words is "one hundred thirty-five million, five thousand, four hundred seventy-seven".