134397480 has 128 divisors (see below), whose sum is σ = 463737600. Its totient is φ = 30523392.

The previous prime is 134397449. The next prime is 134397481. The reversal of 134397480 is 84793431.

It is not an unprimeable number, because it can be changed into a prime (134397481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161706 + ... + 162534.

It is an arithmetic number, because the mean of its divisors is an integer number (3622950).

Almost surely, 2^134397480 is an apocalyptic number.

134397480 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 134397480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231868800).

134397480 is an abundant number, since it is smaller than the sum of its proper divisors (329340120).

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

134397480 is a wasteful number, since it uses less digits than its factorization.

134397480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043 (or 1039 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 134397480 is about 11592.9927111165. The cubic root of 134397480 is about 512.2284645271.

The spelling of 134397480 in words is "one hundred thirty-four million, three hundred ninety-seven thousand, four hundred eighty".