134342139 has 8 divisors (see below), whose sum is σ = 179873280. Its totient is φ = 89186216.

The previous prime is 134342137. The next prime is 134342167. The reversal of 134342139 is 931243431.

134342139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 134342139 - 2¹ = 134342137 is a prime.

It is a super-2 number, since 2×134342139² = 36095620622190642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (134342137) 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, 92967 + ... + 94400.

It is an arithmetic number, because the mean of its divisors is an integer number (22484160).

Almost surely, 2^134342139 is an apocalyptic number.

134342139 is a deficient number, since it is larger than the sum of its proper divisors (45531141).

134342139 is a wasteful number, since it uses less digits than its factorization.

134342139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187609.

The product of its digits is 7776, while the sum is 30.

The square root of 134342139 is about 11590.6056355999. The cubic root of 134342139 is about 512.1581479130.

The spelling of 134342139 in words is "one hundred thirty-four million, three hundred forty-two thousand, one hundred thirty-nine".