134645216 has 12 divisors (see below), whose sum is σ = 265082832. Its totient is φ = 67322592.

The previous prime is 134645213. The next prime is 134645227. The reversal of 134645216 is 612546431.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 4207663 = 134645216 / (1 + 3 + 4 + 6 + 4 + 5 + 2 + 1 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134645213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2103800 + ... + 2103863.

It is an arithmetic number, because the mean of its divisors is an integer number (22090236).

Almost surely, 2^134645216 is an apocalyptic number.

134645216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

134645216 is a deficient number, since it is larger than the sum of its proper divisors (130437616).

134645216 is an equidigital number, since it uses as much as digits as its factorization.

134645216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4207673 (or 4207665 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 134645216 is about 11603.6725220940. The cubic root of 134645216 is about 512.5430030146.

The spelling of 134645216 in words is "one hundred thirty-four million, six hundred forty-five thousand, two hundred sixteen".