134639148 has 96 divisors (see below), whose sum is σ = 377524224. Its totient is φ = 36514368.

The previous prime is 134639117. The next prime is 134639179. The reversal of 134639148 is 841936431.

It is an interprime number because it is at equal distance from previous prime (134639117) and next prime (134639179).

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 in 31 ways as a sum of consecutive naturals, for example, 438411 + ... + 438717.

It is an arithmetic number, because the mean of its divisors is an integer number (3932544).

Almost surely, 2^134639148 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134639148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188762112).

134639148 is an abundant number, since it is smaller than the sum of its proper divisors (242885076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134639148 is a wasteful number, since it uses less digits than its factorization.

134639148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571 (or 569 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 134639148 is about 11603.4110502042. The cubic root of 134639148 is about 512.5353033781.

The spelling of 134639148 in words is "one hundred thirty-four million, six hundred thirty-nine thousand, one hundred forty-eight".