134648385 has 8 divisors (see below), whose sum is σ = 215437440. Its totient is φ = 71812464.

The previous prime is 134648377. The next prime is 134648389. The reversal of 134648385 is 583846431.

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

It is not a de Polignac number, because 134648385 - 2³ = 134648377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134648389) 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, 4488265 + ... + 4488294.

It is an arithmetic number, because the mean of its divisors is an integer number (26929680).

Almost surely, 2^134648385 is an apocalyptic number.

134648385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134648385 is a deficient number, since it is larger than the sum of its proper divisors (80789055).

134648385 is an equidigital number, since it uses as much as digits as its factorization.

134648385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8976567.

The product of its digits is 276480, while the sum is 42.

The square root of 134648385 is about 11603.8090728864. The cubic root of 134648385 is about 512.5470240414.

The spelling of 134648385 in words is "one hundred thirty-four million, six hundred forty-eight thousand, three hundred eighty-five".