134949888 has 110 divisors (see below), whose sum is σ = 403234436. Its totient is φ = 44955648.

The previous prime is 134949887. The next prime is 134949907. The reversal of 134949888 is 888949431.

It is a super-2 number, since 2×134949888² = 36422944542425088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (134949883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 82131 + ... + 83757.

Almost surely, 2^134949888 is an apocalyptic number.

134949888 is a gapful number since it is divisible by the number (18) 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 134949888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201617218).

134949888 is an abundant number, since it is smaller than the sum of its proper divisors (268284548).

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

134949888 is an equidigital number, since it uses as much as digits as its factorization.

134949888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659 (or 1632 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The square root of 134949888 is about 11616.7933613369. The cubic root of 134949888 is about 512.9293018404.

The spelling of 134949888 in words is "one hundred thirty-four million, nine hundred forty-nine thousand, eight hundred eighty-eight".