135553333 has 2 divisors, whose sum is σ = 135553334. Its totient is φ = 135553332.

The previous prime is 135553309. The next prime is 135553343. The reversal of 135553333 is 333355531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125955729 + 9597604 = 11223^2 + 3098^2 .

It is a cyclic number.

It is not a de Polignac number, because 135553333 - 2²¹ = 133456181 is a prime.

It is a super-3 number, since 3×135553333³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135553295 and 135553304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135553343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67776666 + 67776667.

It is an arithmetic number, because the mean of its divisors is an integer number (67776667).

Almost surely, 2^135553333 is an apocalyptic number.

It is an amenable number.

135553333 is a deficient number, since it is larger than the sum of its proper divisors (1).

135553333 is an equidigital number, since it uses as much as digits as its factorization.

135553333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30375, while the sum is 31.

The square root of 135553333 is about 11642.7373499534. The cubic root of 135553333 is about 513.6927072069.

The spelling of 135553333 in words is "one hundred thirty-five million, five hundred fifty-three thousand, three hundred thirty-three".