134441638 has 8 divisors (see below), whose sum is σ = 202307688. Its totient is φ = 67005744.

The previous prime is 134441633. The next prime is 134441639. The reversal of 134441638 is 836144431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134441633) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 106756 + ... + 108007.

It is an arithmetic number, because the mean of its divisors is an integer number (25288461).

Almost surely, 2^134441638 is an apocalyptic number.

134441638 is a deficient number, since it is larger than the sum of its proper divisors (67866050).

134441638 is a wasteful number, since it uses less digits than its factorization.

134441638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215078.

The product of its digits is 27648, while the sum is 34.

The square root of 134441638 is about 11594.8970672447. The cubic root of 134441638 is about 512.2845581079.

The spelling of 134441638 in words is "one hundred thirty-four million, four hundred forty-one thousand, six hundred thirty-eight".