134242547 has 8 divisors (see below), whose sum is σ = 137338080. Its totient is φ = 131181120.

The previous prime is 134242519. The next prime is 134242553. The reversal of 134242547 is 745242431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134242547 - 2¹⁴ = 134226163 is a prime.

It is a super-2 number, since 2×134242547² = 36042122850094418, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (134202547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479 + ... + 16392.

It is an arithmetic number, because the mean of its divisors is an integer number (17167260).

Almost surely, 2^134242547 is an apocalyptic number.

134242547 is a deficient number, since it is larger than the sum of its proper divisors (3095533).

134242547 is a wasteful number, since it uses less digits than its factorization.

134242547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17053.

The product of its digits is 26880, while the sum is 32.

The square root of 134242547 is about 11586.3086011033. The cubic root of 134242547 is about 512.0315570454.

Adding to 134242547 its reverse (745242431), we get a palindrome (879484978).

The spelling of 134242547 in words is "one hundred thirty-four million, two hundred forty-two thousand, five hundred forty-seven".