135477623 has 2 divisors, whose sum is σ = 135477624. Its totient is φ = 135477622.

The previous prime is 135477583. The next prime is 135477673. The reversal of 135477623 is 326774531.

135477623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135477623 - 2⁸ = 135477367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135477673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67738811 + 67738812.

It is an arithmetic number, because the mean of its divisors is an integer number (67738812).

Almost surely, 2^135477623 is an apocalyptic number.

135477623 is a deficient number, since it is larger than the sum of its proper divisors (1).

135477623 is an equidigital number, since it uses as much as digits as its factorization.

135477623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 38.

The square root of 135477623 is about 11639.4855126848. The cubic root of 135477623 is about 513.5970525621.

The spelling of 135477623 in words is "one hundred thirty-five million, four hundred seventy-seven thousand, six hundred twenty-three".