134872320 has 288 divisors, whose sum is σ = 489775104. Its totient is φ = 31334400.

The previous prime is 134872319. The next prime is 134872337. The reversal of 134872320 is 23278431.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1309389 + ... + 1309491.

It is an arithmetic number, because the mean of its divisors is an integer number (1700608).

Almost surely, 2^134872320 is an apocalyptic number.

134872320 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 134872320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244887552).

134872320 is an abundant number, since it is smaller than the sum of its proper divisors (354902784).

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

134872320 is a wasteful number, since it uses less digits than its factorization.

134872320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 134872320 is about 11613.4542664963. The cubic root of 134872320 is about 512.8310072656.

The spelling of 134872320 in words is "one hundred thirty-four million, eight hundred seventy-two thousand, three hundred twenty".