134923470 has 128 divisors (see below), whose sum is σ = 371036160. Its totient is φ = 31363200.

The previous prime is 134923463. The next prime is 134923487. The reversal of 134923470 is 74329431.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 1237776 + ... + 1237884.

It is an arithmetic number, because the mean of its divisors is an integer number (2898720).

Almost surely, 2^134923470 is an apocalyptic number.

134923470 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 134923470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185518080).

134923470 is an abundant number, since it is smaller than the sum of its proper divisors (236112690).

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

134923470 is a wasteful number, since it uses less digits than its factorization.

134923470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 134923470 is about 11615.6562449136. The cubic root of 134923470 is about 512.8958290434.

The spelling of 134923470 in words is "one hundred thirty-four million, nine hundred twenty-three thousand, four hundred seventy".