134687422 has 4 divisors (see below), whose sum is σ = 202031136. Its totient is φ = 67343710.

The previous prime is 134687401. The next prime is 134687453. The reversal of 134687422 is 224786431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 224786431 = 239 ⋅940529.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33671854 + ... + 33671857.

It is an arithmetic number, because the mean of its divisors is an integer number (50507784).

Almost surely, 2^134687422 is an apocalyptic number.

134687422 is a deficient number, since it is larger than the sum of its proper divisors (67343714).

134687422 is an equidigital number, since it uses as much as digits as its factorization.

134687422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67343713.

The product of its digits is 64512, while the sum is 37.

The square root of 134687422 is about 11605.4910279574. The cubic root of 134687422 is about 512.5965514701.

Subtracting 134687422 from its reverse (224786431), we obtain a palindrome (90099009).

The spelling of 134687422 in words is "one hundred thirty-four million, six hundred eighty-seven thousand, four hundred twenty-two".