134142517 has 4 divisors (see below), whose sum is σ = 134816800. Its totient is φ = 133468236.

The previous prime is 134142497. The next prime is 134142571. The reversal of 134142517 is 715241431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 134142517 - 2¹⁹ = 133618229 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 (134142817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336843 + ... + 337240.

It is an arithmetic number, because the mean of its divisors is an integer number (33704200).

Almost surely, 2^134142517 is an apocalyptic number.

It is an amenable number.

134142517 is a deficient number, since it is larger than the sum of its proper divisors (674283).

134142517 is an equidigital number, since it uses as much as digits as its factorization.

134142517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674282.

The product of its digits is 3360, while the sum is 28.

The square root of 134142517 is about 11581.9910637161. The cubic root of 134142517 is about 511.9043463988.

Adding to 134142517 its reverse (715241431), we get a palindrome (849383948).

It can be divided in two parts, 13414 and 2517, that added together give a triangular number (15931 = T₁₇₈).

The spelling of 134142517 in words is "one hundred thirty-four million, one hundred forty-two thousand, five hundred seventeen".