134407138 has 8 divisors (see below), whose sum is σ = 203082732. Its totient is φ = 66712896.

The previous prime is 134407123. The next prime is 134407139. The reversal of 134407138 is 831704431.

It can be written as a sum of positive squares in 2 ways, for example, as 116488849 + 17918289 = 10793^2 + 4233^2 .

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

It is not an unprimeable number, because it can be changed into a prime (134407139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244995 + ... + 245542.

Almost surely, 2^134407138 is an apocalyptic number.

134407138 is a deficient number, since it is larger than the sum of its proper divisors (68675594).

134407138 is a wasteful number, since it uses less digits than its factorization.

134407138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490676.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 134407138 is about 11593.4092483618. The cubic root of 134407138 is about 512.2407340627.

The spelling of 134407138 in words is "one hundred thirty-four million, four hundred seven thousand, one hundred thirty-eight".