134320725 has 72 divisors (see below), whose sum is σ = 299986752. Its totient is φ = 55814400.

The previous prime is 134320699. The next prime is 134320733. The reversal of 134320725 is 527023431.

It is not a de Polignac number, because 134320725 - 2¹² = 134316629 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 13449 + ... + 21201.

Almost surely, 2^134320725 is an apocalyptic number.

134320725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134320725 is an abundant number, since it is smaller than the sum of its proper divisors (165666027).

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

134320725 is a wasteful number, since it uses less digits than its factorization.

134320725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7787 (or 7779 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 134320725 is about 11589.6818334241. The cubic root of 134320725 is about 512.1309339714.

The spelling of 134320725 in words is "one hundred thirty-four million, three hundred twenty thousand, seven hundred twenty-five".