134379638 has 8 divisors (see below), whose sum is σ = 201817440. Its totient is φ = 67107160.

The previous prime is 134379631. The next prime is 134379643. The reversal of 134379638 is 836973431.

134379638 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×134379638² = 36115774218022088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134379631) 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, 39278 + ... + 42561.

It is an arithmetic number, because the mean of its divisors is an integer number (25227180).

Almost surely, 2^134379638 is an apocalyptic number.

134379638 is a deficient number, since it is larger than the sum of its proper divisors (67437802).

134379638 is an equidigital number, since it uses as much as digits as its factorization.

134379638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82662.

The product of its digits is 326592, while the sum is 44.

The square root of 134379638 is about 11592.2231690043. The cubic root of 134379638 is about 512.2057964812.

The spelling of 134379638 in words is "one hundred thirty-four million, three hundred seventy-nine thousand, six hundred thirty-eight".