134136454 has 4 divisors (see below), whose sum is σ = 201204684. Its totient is φ = 67068226.

The previous prime is 134136421. The next prime is 134136467. The reversal of 134136454 is 454631431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 454631431 = 113 ⋅4023287.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33534112 + ... + 33534115.

It is an arithmetic number, because the mean of its divisors is an integer number (50301171).

Almost surely, 2^134136454 is an apocalyptic number.

134136454 is a deficient number, since it is larger than the sum of its proper divisors (67068230).

134136454 is an equidigital number, since it uses as much as digits as its factorization.

134136454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67068229.

The product of its digits is 17280, while the sum is 31.

The square root of 134136454 is about 11581.7293181977. The cubic root of 134136454 is about 511.8966338980.

Adding to 134136454 its reverse (454631431), we get a palindrome (588767885).

The spelling of 134136454 in words is "one hundred thirty-four million, one hundred thirty-six thousand, four hundred fifty-four".