134270721 has 12 divisors (see below), whose sum is σ = 208865748. Its totient is φ = 82628064.

The previous prime is 134270683. The next prime is 134270737. The reversal of 134270721 is 127072431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5198400 + 129072321 = 2280^2 + 11361^2 .

It is not a de Polignac number, because 134270721 - 2⁷ = 134270593 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (134270791) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 573690 + ... + 573923.

It is an arithmetic number, because the mean of its divisors is an integer number (17405479).

Almost surely, 2^134270721 is an apocalyptic number.

It is an amenable number.

134270721 is a deficient number, since it is larger than the sum of its proper divisors (74595027).

134270721 is a wasteful number, since it uses less digits than its factorization.

134270721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147632 (or 1147629 counting only the distinct ones).

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

The square root of 134270721 is about 11587.5243689064. The cubic root of 134270721 is about 512.0673752176.

The spelling of 134270721 in words is "one hundred thirty-four million, two hundred seventy thousand, seven hundred twenty-one".