134989872 has 80 divisors (see below), whose sum is σ = 364643328. Its totient is φ = 42981120.

The previous prime is 134989847. The next prime is 134989873. The reversal of 134989872 is 278989431.

It is not an unprimeable number, because it can be changed into a prime (134989873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122958 + ... + 124050.

Almost surely, 2^134989872 is an apocalyptic number.

134989872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134989872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182321664).

134989872 is an abundant number, since it is smaller than the sum of its proper divisors (229653456).

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

134989872 is a wasteful number, since it uses less digits than its factorization.

134989872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218 (or 1212 counting only the distinct ones).

The product of its digits is 870912, while the sum is 51.

The square root of 134989872 is about 11618.5141907216. The cubic root of 134989872 is about 512.9799550626.

The spelling of 134989872 in words is "one hundred thirty-four million, nine hundred eighty-nine thousand, eight hundred seventy-two".