1355303530238 has 16 divisors (see below), whose sum is σ = 2333796218880. Its totient is φ = 578239685496.

The previous prime is 1355303530237. The next prime is 1355303530249. The reversal of 1355303530238 is 8320353035531.

It is a junction number, because it is equal to n+sod(n) for n = 1355303530195 and 1355303530204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355303530237) 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, 217053818 + ... + 217060061.

It is an arithmetic number, because the mean of its divisors is an integer number (145862263680).

Almost surely, 2^{1355303530238} is an apocalyptic number.

1355303530238 is a deficient number, since it is larger than the sum of its proper divisors (978492688642).

1355303530238 is a wasteful number, since it uses less digits than its factorization.

1355303530238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434114111.

The product of its (nonzero) digits is 486000, while the sum is 41.

Adding to 1355303530238 its reverse (8320353035531), we get a palindrome (9675656565769).

The spelling of 1355303530238 in words is "one trillion, three hundred fifty-five billion, three hundred three million, five hundred thirty thousand, two hundred thirty-eight".