1350135280 has 80 divisors (see below), whose sum is σ = 3423530880. Its totient is φ = 492171264.

The previous prime is 1350135271. The next prime is 1350135287. The reversal of 1350135280 is 825310531.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1350135287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73944 + ... + 90376.

It is an arithmetic number, because the mean of its divisors is an integer number (42794136).

Almost surely, 2^1350135280 is an apocalyptic number.

1350135280 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 1350135280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1711765440).

1350135280 is an abundant number, since it is smaller than the sum of its proper divisors (2073395600).

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

1350135280 is a wasteful number, since it uses less digits than its factorization.

1350135280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16538 (or 16532 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1350135280 is about 36744.1870232558. The cubic root of 1350135280 is about 1105.2463650836.

The spelling of 1350135280 in words is "one billion, three hundred fifty million, one hundred thirty-five thousand, two hundred eighty".