134385920 has 72 divisors (see below), whose sum is σ = 326909184. Its totient is φ = 52918272.

The previous prime is 134385907. The next prime is 134385949. The reversal of 134385920 is 29583431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84977 + ... + 86543.

Almost surely, 2^134385920 is an apocalyptic number.

134385920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134385920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163454592).

134385920 is an abundant number, since it is smaller than the sum of its proper divisors (192523264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134385920 is an equidigital number, since it uses as much as digits as its factorization.

134385920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655 (or 1641 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 134385920 is about 11592.4941233541. The cubic root of 134385920 is about 512.2137779153.

The spelling of 134385920 in words is "one hundred thirty-four million, three hundred eighty-five thousand, nine hundred twenty".