134412709 has 8 divisors (see below), whose sum is σ = 140281560. Its totient is φ = 128626176.

The previous prime is 134412703. The next prime is 134412721. The reversal of 134412709 is 907214431.

It can be written as a sum of positive squares in 4 ways, for example, as 6225025 + 128187684 = 2495^2 + 11322^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134412709 - 2¹⁵ = 134379941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134412703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17232 + ... + 23785.

It is an arithmetic number, because the mean of its divisors is an integer number (17535195).

Almost surely, 2^134412709 is an apocalyptic number.

It is an amenable number.

134412709 is a deficient number, since it is larger than the sum of its proper divisors (5868851).

134412709 is a wasteful number, since it uses less digits than its factorization.

134412709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41159.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 134412709 is about 11593.6495116939. The cubic root of 134412709 is about 512.2478112010.

The spelling of 134412709 in words is "one hundred thirty-four million, four hundred twelve thousand, seven hundred nine".