134816947 has 8 divisors (see below), whose sum is σ = 138156480. Its totient is φ = 131512680.

The previous prime is 134816887. The next prime is 134816963. The reversal of 134816947 is 749618431.

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 134816947 - 2⁷ = 134816819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134819947) 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, 993 + ... + 16450.

It is an arithmetic number, because the mean of its divisors is an integer number (17269560).

Almost surely, 2^134816947 is an apocalyptic number.

134816947 is a deficient number, since it is larger than the sum of its proper divisors (3339533).

134816947 is a wasteful number, since it uses less digits than its factorization.

134816947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17633.

The product of its digits is 145152, while the sum is 43.

The square root of 134816947 is about 11611.0700195977. The cubic root of 134816947 is about 512.7608152537.

The spelling of 134816947 in words is "one hundred thirty-four million, eight hundred sixteen thousand, nine hundred forty-seven".