134420352 has 128 divisors (see below), whose sum is σ = 394225920. Its totient is φ = 40578560.

The previous prime is 134420347. The next prime is 134420353. The reversal of 134420352 is 253024431.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134420353) 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, 510973 + ... + 511235.

It is an arithmetic number, because the mean of its divisors is an integer number (3079890).

Almost surely, 2^134420352 is an apocalyptic number.

134420352 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 134420352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197112960).

134420352 is an abundant number, since it is smaller than the sum of its proper divisors (259805568).

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

134420352 is an equidigital number, since it uses as much as digits as its factorization.

134420352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 134420352 is about 11593.9791271159. The cubic root of 134420352 is about 512.2575201932.

Adding to 134420352 its reverse (253024431), we get a palindrome (387444783).

The spelling of 134420352 in words is "one hundred thirty-four million, four hundred twenty thousand, three hundred fifty-two".