1353120133 has 4 divisors (see below), whose sum is σ = 1368323820. Its totient is φ = 1337916448.

The previous prime is 1353120127. The next prime is 1353120149. The reversal of 1353120133 is 3310213531.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 249418849 + 1103701284 = 15793^2 + 33222^2 .

It is a cyclic number.

It is not a de Polignac number, because 1353120133 - 2¹⁷ = 1352989061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353120833) 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, 7601710 + ... + 7601887.

It is an arithmetic number, because the mean of its divisors is an integer number (342080955).

Almost surely, 2^1353120133 is an apocalyptic number.

It is an amenable number.

1353120133 is a deficient number, since it is larger than the sum of its proper divisors (15203687).

1353120133 is an equidigital number, since it uses as much as digits as its factorization.

1353120133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15203686.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 1353120133 is about 36784.7812688889. The cubic root of 1353120133 is about 1106.0602513755.

Adding to 1353120133 its reverse (3310213531), we get a palindrome (4663333664).

The spelling of 1353120133 in words is "one billion, three hundred fifty-three million, one hundred twenty thousand, one hundred thirty-three".