134442071 has 8 divisors (see below), whose sum is σ = 139014144. Its totient is φ = 129884760.

The previous prime is 134442029. The next prime is 134442101. The reversal of 134442071 is 170244431.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134442071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134442071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134442871) 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, 16706 + ... + 23408.

It is an arithmetic number, because the mean of its divisors is an integer number (17376768).

Almost surely, 2^134442071 is an apocalyptic number.

134442071 is a deficient number, since it is larger than the sum of its proper divisors (4572073).

134442071 is an equidigital number, since it uses as much as digits as its factorization.

134442071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7381.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 134442071 is about 11594.9157392367. The cubic root of 134442071 is about 512.2851080838.

The spelling of 134442071 in words is "one hundred thirty-four million, four hundred forty-two thousand, seventy-one".