134323920 has 200 divisors, whose sum is σ = 491531040. Its totient is φ = 33903360.

The previous prime is 134323909. The next prime is 134323921. The reversal of 134323920 is 29323431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134323921) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 122575 + ... + 123665.

Almost surely, 2^134323920 is an apocalyptic number.

134323920 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 134323920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245765520).

134323920 is an abundant number, since it is smaller than the sum of its proper divisors (357207120).

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

134323920 is a wasteful number, since it uses less digits than its factorization.

134323920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135 (or 1120 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 134323920 is about 11589.8196707283. The cubic root of 134323920 is about 512.1349945147.

The spelling of 134323920 in words is "one hundred thirty-four million, three hundred twenty-three thousand, nine hundred twenty".