135834947 has 4 divisors (see below), whose sum is σ = 143825256. Its totient is φ = 127844640.

The previous prime is 135834943. The next prime is 135834953. The reversal of 135834947 is 749438531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135834947 - 2² = 135834943 is a prime.

It is a super-2 number, since 2×135834947² = 36902265652985618, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135834898 and 135834907.

It is not an unprimeable number, because it can be changed into a prime (135834943) 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 in 3 ways as a sum of consecutive naturals, for example, 3995129 + ... + 3995162.

It is an arithmetic number, because the mean of its divisors is an integer number (35956314).

Almost surely, 2^135834947 is an apocalyptic number.

135834947 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

135834947 is a deficient number, since it is larger than the sum of its proper divisors (7990309).

135834947 is an equidigital number, since it uses as much as digits as its factorization.

135834947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7990308.

The product of its digits is 362880, while the sum is 44.

The square root of 135834947 is about 11654.8250523120. The cubic root of 135834947 is about 514.0481958067.

The spelling of 135834947 in words is "one hundred thirty-five million, eight hundred thirty-four thousand, nine hundred forty-seven".