1358430340 has 24 divisors (see below), whose sum is σ = 2868472152. Its totient is φ = 540368640.

The previous prime is 1358430313. The next prime is 1358430341. The reversal of 1358430340 is 430348531.

It can be written as a sum of positive squares in 4 ways, for example, as 120516484 + 1237913856 = 10978^2 + 35184^2 .

It is not an unprimeable number, because it can be changed into a prime (1358430341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184009 + ... + 191248.

It is an arithmetic number, because the mean of its divisors is an integer number (119519673).

Almost surely, 2^1358430340 is an apocalyptic number.

1358430340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1358430340 is an abundant number, since it is smaller than the sum of its proper divisors (1510041812).

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

1358430340 is a wasteful number, since it uses less digits than its factorization.

1358430340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375447 (or 375445 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 1358430340 is about 36856.8899935955. The cubic root of 1358430340 is about 1107.5052431441.

Adding to 1358430340 its reverse (430348531), we get a palindrome (1788778871).

The spelling of 1358430340 in words is "one billion, three hundred fifty-eight million, four hundred thirty thousand, three hundred forty".