134445630 has 64 divisors (see below), whose sum is σ = 358691328. Its totient is φ = 31973760.

The previous prime is 134445599. The next prime is 134445697. The reversal of 134445630 is 36544431.

134445630 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13647 + ... + 21333.

It is an arithmetic number, because the mean of its divisors is an integer number (5604552).

Almost surely, 2^134445630 is an apocalyptic number.

134445630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 134445630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179345664).

134445630 is an abundant number, since it is smaller than the sum of its proper divisors (224245698).

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

134445630 is a wasteful number, since it uses less digits than its factorization.

134445630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7761.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 134445630 is about 11595.0692106602. The cubic root of 134445630 is about 512.2896285106.

The spelling of 134445630 in words is "one hundred thirty-four million, four hundred forty-five thousand, six hundred thirty".