134217720 has 384 divisors, whose sum is σ = 570810240. Its totient is φ = 26542080.

The previous prime is 134217689. The next prime is 134217757. The reversal of 134217720 is 27712431.

It is a happy number.

It is a nialpdrome in base 2, base 8 and base 15.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 556800 + ... + 557040.

It is an arithmetic number, because the mean of its divisors is an integer number (1486485).

Almost surely, 2^134217720 is an apocalyptic number.

134217720 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 134217720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285405120).

134217720 is an abundant number, since it is smaller than the sum of its proper divisors (436592520).

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

134217720 is a wasteful number, since it uses less digits than its factorization.

134217720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 134217720 is about 11585.2371576934. The cubic root of 134217720 is about 511.9999898275. Note that the first 4 decimals are identical.

The spelling of 134217720 in words is "one hundred thirty-four million, two hundred seventeen thousand, seven hundred twenty".