134494138 has 4 divisors (see below), whose sum is σ = 201741210. Its totient is φ = 67247068.

The previous prime is 134494121. The next prime is 134494159. The reversal of 134494138 is 831494431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 831494431 = 31 ⋅26822401.

It can be written as a sum of positive squares in only one way, i.e., 81306289 + 53187849 = 9017^2 + 7293^2 .

It is a junction number, because it is equal to n+sod(n) for n = 134494097 and 134494106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33623533 + ... + 33623536.

Almost surely, 2^134494138 is an apocalyptic number.

134494138 is a deficient number, since it is larger than the sum of its proper divisors (67247072).

134494138 is an equidigital number, since it uses as much as digits as its factorization.

134494138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67247071.

The product of its digits is 41472, while the sum is 37.

The square root of 134494138 is about 11597.1607732238. The cubic root of 134494138 is about 512.3512324895.

The spelling of 134494138 in words is "one hundred thirty-four million, four hundred ninety-four thousand, one hundred thirty-eight".