134245540 has 96 divisors (see below), whose sum is σ = 336260736. Its totient is φ = 44375040.

The previous prime is 134245511. The next prime is 134245543. The reversal of 134245540 is 45542431.

It is a junction number, because it is equal to n+sod(n) for n = 134245499 and 134245508.

It is not an unprimeable number, because it can be changed into a prime (134245543) 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, 208459 + ... + 209101.

It is an arithmetic number, because the mean of its divisors is an integer number (3502716).

Almost surely, 2^134245540 is an apocalyptic number.

134245540 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 134245540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168130368).

134245540 is an abundant number, since it is smaller than the sum of its proper divisors (202015196).

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

134245540 is a wasteful number, since it uses less digits than its factorization.

134245540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749 (or 747 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 134245540 is about 11586.4377614520. The cubic root of 134245540 is about 512.0353623444.

Adding to 134245540 its reverse (45542431), we get a palindrome (179787971).

The spelling of 134245540 in words is "one hundred thirty-four million, two hundred forty-five thousand, five hundred forty".