1355106073 has 4 divisors (see below), whose sum is σ = 1355201920. Its totient is φ = 1355010228.

The previous prime is 1355106043. The next prime is 1355106089. The reversal of 1355106073 is 3706015531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1355106073 - 2⁹ = 1355105561 is a prime.

It is a super-3 number, since 3×1355106073³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1355106043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22065 + ... + 56542.

It is an arithmetic number, because the mean of its divisors is an integer number (338800480).

Almost surely, 2^1355106073 is an apocalyptic number.

It is an amenable number.

1355106073 is a deficient number, since it is larger than the sum of its proper divisors (95847).

1355106073 is an equidigital number, since it uses as much as digits as its factorization.

1355106073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95846.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 1355106073 is about 36811.7654154212. The cubic root of 1355106073 is about 1106.6010990310.

The spelling of 1355106073 in words is "one billion, three hundred fifty-five million, one hundred six thousand, seventy-three".