1355847538 has 16 divisors (see below), whose sum is σ = 2063721240. Its totient is φ = 667993216.

The previous prime is 1355847509. The next prime is 1355847541. The reversal of 1355847538 is 8357485531.

It can be written as a sum of positive squares in 4 ways, for example, as 1029575569 + 326271969 = 32087^2 + 18063^2 .

It is a super-2 number, since 2×1355847538² = 3676645092601322888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1355847491 and 1355847500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39156 + ... + 65152.

Almost surely, 2^1355847538 is an apocalyptic number.

1355847538 is a deficient number, since it is larger than the sum of its proper divisors (707873702).

1355847538 is a wasteful number, since it uses less digits than its factorization.

1355847538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26381.

The product of its digits is 2016000, while the sum is 49.

The square root of 1355847538 is about 36821.8350710553. The cubic root of 1355847538 is about 1106.8028929214.

The spelling of 1355847538 in words is "one billion, three hundred fifty-five million, eight hundred forty-seven thousand, five hundred thirty-eight".