135382947 has 16 divisors (see below), whose sum is σ = 209379072. Its totient is φ = 76206240.

The previous prime is 135382903. The next prime is 135382957. The reversal of 135382947 is 749283531.

It is not a de Polignac number, because 135382947 - 2¹⁸ = 135120803 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135382899 and 135382908.

It is not an unprimeable number, because it can be changed into a prime (135382957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46704 + ... + 49517.

It is an arithmetic number, because the mean of its divisors is an integer number (13086192).

Almost surely, 2^135382947 is an apocalyptic number.

135382947 is a deficient number, since it is larger than the sum of its proper divisors (73996125).

135382947 is an equidigital number, since it uses as much as digits as its factorization.

135382947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96298.

The product of its digits is 181440, while the sum is 42.

The square root of 135382947 is about 11635.4177836466. The cubic root of 135382947 is about 513.4773854544.

The spelling of 135382947 in words is "one hundred thirty-five million, three hundred eighty-two thousand, nine hundred forty-seven".