1355423133 has 4 divisors (see below), whose sum is σ = 1807230848. Its totient is φ = 903615420.

The previous prime is 1355423101. The next prime is 1355423149. The reversal of 1355423133 is 3313245531.

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 an emirpimes, since its reverse is a distinct semiprime: 3313245531 = 3 ⋅1104415177.

It is not a de Polignac number, because 1355423133 - 2⁵ = 1355423101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1355423133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355425133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225903853 + ... + 225903858.

It is an arithmetic number, because the mean of its divisors is an integer number (451807712).

Almost surely, 2^1355423133 is an apocalyptic number.

It is an amenable number.

1355423133 is a deficient number, since it is larger than the sum of its proper divisors (451807715).

1355423133 is an equidigital number, since it uses as much as digits as its factorization.

1355423133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451807714.

The product of its digits is 16200, while the sum is 30.

The square root of 1355423133 is about 36816.0716671402. The cubic root of 1355423133 is about 1106.6873977080.

Adding to 1355423133 its reverse (3313245531), we get a palindrome (4668668664).

The spelling of 1355423133 in words is "one billion, three hundred fifty-five million, four hundred twenty-three thousand, one hundred thirty-three".