135853389 has 16 divisors (see below), whose sum is σ = 230016640. Its totient is φ = 77630400.

The previous prime is 135853369. The next prime is 135853391. The reversal of 135853389 is 983358531.

135853389 is a `hidden beast` number, since 1 + 35 + 8 + 533 + 89 = 666.

It is not a de Polignac number, because 135853389 - 2⁵ = 135853357 is a prime.

It is a super-2 number, since 2×135853389² = 36912286605570642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135853369) 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 15 ways as a sum of consecutive naturals, for example, 359212 + ... + 359589.

It is an arithmetic number, because the mean of its divisors is an integer number (14376040).

Almost surely, 2^135853389 is an apocalyptic number.

It is an amenable number.

135853389 is a deficient number, since it is larger than the sum of its proper divisors (94163251).

135853389 is an equidigital number, since it uses as much as digits as its factorization.

135853389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718817 (or 718811 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 135853389 is about 11655.6161999270. The cubic root of 135853389 is about 514.0714584698.

The spelling of 135853389 in words is "one hundred thirty-five million, eight hundred fifty-three thousand, three hundred eighty-nine".