134870517 has 12 divisors (see below), whose sum is σ = 194968384. Its totient is φ = 89841960.

The previous prime is 134870509. The next prime is 134870543. The reversal of 134870517 is 715078431.

134870517 is a `hidden beast` number, since 134 + 8 + 7 + 0 + 517 = 666.

It is not a de Polignac number, because 134870517 - 2³ = 134870509 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 (134870507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7542 + ... + 18072.

Almost surely, 2^134870517 is an apocalyptic number.

It is an amenable number.

134870517 is a deficient number, since it is larger than the sum of its proper divisors (60097867).

134870517 is a wasteful number, since it uses less digits than its factorization.

134870517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11960 (or 11957 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 134870517 is about 11613.3766407535. The cubic root of 134870517 is about 512.8287220464.

The spelling of 134870517 in words is "one hundred thirty-four million, eight hundred seventy thousand, five hundred seventeen".