67134157 has 4 divisors (see below), whose sum is σ = 67152220. Its totient is φ = 67116096.

The previous prime is 67134149. The next prime is 67134161. The reversal of 67134157 is 75143176.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59768361 + 7365796 = 7731^2 + 2714^2 .

It is a cyclic number.

It is not a de Polignac number, because 67134157 - 2³ = 67134149 is a prime.

It is a super-2 number, since 2×67134157² = 9013990072201298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67132157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1182 + ... + 11647.

It is an arithmetic number, because the mean of its divisors is an integer number (16788055).

Almost surely, 2^67134157 is an apocalyptic number.

It is an amenable number.

67134157 is a deficient number, since it is larger than the sum of its proper divisors (18063).

67134157 is a wasteful number, since it uses less digits than its factorization.

67134157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18062.

The product of its digits is 17640, while the sum is 34.

The square root of 67134157 is about 8193.5436167753. The cubic root of 67134157 is about 406.4257164277.

The spelling of 67134157 in words is "sixty-seven million, one hundred thirty-four thousand, one hundred fifty-seven".