1355738018 has 8 divisors (see below), whose sum is σ = 2046560412. Its totient is φ = 673551216.

The previous prime is 1355737987. The next prime is 1355738051. The reversal of 1355738018 is 8108375531.

It can be written as a sum of positive squares in 2 ways, for example, as 1198059769 + 157678249 = 34613^2 + 12557^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2158505 + ... + 2159132.

Almost surely, 2^1355738018 is an apocalyptic number.

1355738018 is a deficient number, since it is larger than the sum of its proper divisors (690822394).

1355738018 is a wasteful number, since it uses less digits than its factorization.

1355738018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4317796.

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 1355738018 is about 36820.3478799427. The cubic root of 1355738018 is about 1106.7730910660.

The spelling of 1355738018 in words is "one billion, three hundred fifty-five million, seven hundred thirty-eight thousand, eighteen".