1355241140 has 36 divisors (see below), whose sum is σ = 3128260548. Its totient is φ = 492814080.

The previous prime is 1355241133. The next prime is 1355241149. The reversal of 1355241140 is 411425531.

It can be written as a sum of positive squares in 2 ways, for example, as 514473124 + 840768016 = 22682^2 + 28996^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355241149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 277589 + ... + 282428.

Almost surely, 2^1355241140 is an apocalyptic number.

1355241140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1355241140 is an abundant number, since it is smaller than the sum of its proper divisors (1773019408).

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

1355241140 is a wasteful number, since it uses less digits than its factorization.

1355241140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560048 (or 560035 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1355241140 is about 36813.5999326336. The cubic root of 1355241140 is about 1106.6378637606.

Adding to 1355241140 its reverse (411425531), we get a palindrome (1766666671).

The spelling of 1355241140 in words is "one billion, three hundred fifty-five million, two hundred forty-one thousand, one hundred forty".