134538480 has 60 divisors (see below), whose sum is σ = 451827480. Its totient is φ = 35876736.

The previous prime is 134538473. The next prime is 134538499. The reversal of 134538480 is 84835431.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92710 + ... + 94149.

It is an arithmetic number, because the mean of its divisors is an integer number (7530458).

Almost surely, 2^134538480 is an apocalyptic number.

134538480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134538480 is an abundant number, since it is smaller than the sum of its proper divisors (317289000).

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

134538480 is a wasteful number, since it uses less digits than its factorization.

134538480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186878 (or 186869 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 134538480 is about 11599.0723767032. The cubic root of 134538480 is about 512.4075327922.

The spelling of 134538480 in words is "one hundred thirty-four million, five hundred thirty-eight thousand, four hundred eighty".