134452780 has 72 divisors (see below), whose sum is σ = 354733344. Its totient is φ = 41902080.

The previous prime is 134452777. The next prime is 134452789. The reversal of 134452780 is 87254431.

It is not an unprimeable number, because it can be changed into a prime (134452789) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12972 + ... + 20908.

It is an arithmetic number, because the mean of its divisors is an integer number (4926852).

Almost surely, 2^134452780 is an apocalyptic number.

134452780 is a gapful number since it is divisible by the number (10) 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 134452780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177366672).

134452780 is an abundant number, since it is smaller than the sum of its proper divisors (220280564).

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

134452780 is a wasteful number, since it uses less digits than its factorization.

134452780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7975 (or 7962 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 134452780 is about 11595.3775272735. The cubic root of 134452780 is about 512.2987097675.

The spelling of 134452780 in words is "one hundred thirty-four million, four hundred fifty-two thousand, seven hundred eighty".