1355315143 has 16 divisors (see below), whose sum is σ = 1713167680. Its totient is φ = 1043352576.

The previous prime is 1355315131. The next prime is 1355315167. The reversal of 1355315143 is 3415135531.

It is a de Polignac number, because none of the positive numbers 2^k-1355315143 is a prime.

It is a super-2 number, since 2×1355315143² = 3673758273690220898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355315113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197898 + ... + 204631.

It is an arithmetic number, because the mean of its divisors is an integer number (107072980).

Almost surely, 2^1355315143 is an apocalyptic number.

1355315143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1355315143 is a deficient number, since it is larger than the sum of its proper divisors (357852537).

1355315143 is a wasteful number, since it uses less digits than its factorization.

1355315143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402586.

The product of its digits is 13500, while the sum is 31.

The square root of 1355315143 is about 36814.6050230068. The cubic root of 1355315143 is about 1106.6580060632.

The spelling of 1355315143 in words is "one billion, three hundred fifty-five million, three hundred fifteen thousand, one hundred forty-three".