134644654 has 4 divisors (see below), whose sum is σ = 201966984. Its totient is φ = 67322326.

The previous prime is 134644649. The next prime is 134644663. The reversal of 134644654 is 456446431.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33661162 + ... + 33661165.

It is an arithmetic number, because the mean of its divisors is an integer number (50491746).

Almost surely, 2^134644654 is an apocalyptic number.

134644654 is a deficient number, since it is larger than the sum of its proper divisors (67322330).

134644654 is an equidigital number, since it uses as much as digits as its factorization.

134644654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67322329.

The product of its digits is 138240, while the sum is 37.

The square root of 134644654 is about 11603.6483055977. The cubic root of 134644654 is about 512.5422899071.

The spelling of 134644654 in words is "one hundred thirty-four million, six hundred forty-four thousand, six hundred fifty-four".