134551540 has 48 divisors (see below), whose sum is σ = 298509120. Its totient is φ = 50803200.

The previous prime is 134551531. The next prime is 134551639. The reversal of 134551540 is 45155431.

It is a junction number, because it is equal to n+sod(n) for n = 134551499 and 134551508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151939 + ... + 152821.

It is an arithmetic number, because the mean of its divisors is an integer number (6218940).

Almost surely, 2^134551540 is an apocalyptic number.

134551540 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 134551540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149254560).

134551540 is an abundant number, since it is smaller than the sum of its proper divisors (163957580).

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

134551540 is a wasteful number, since it uses less digits than its factorization.

134551540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312 (or 1310 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 134551540 is about 11599.6353390958. The cubic root of 134551540 is about 512.4241124995.

The spelling of 134551540 in words is "one hundred thirty-four million, five hundred fifty-one thousand, five hundred forty".