135383231 has 8 divisors (see below), whose sum is σ = 140302464. Its totient is φ = 130498560.

The previous prime is 135383207. The next prime is 135383233. The reversal of 135383231 is 132383531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135383231 - 2²² = 131188927 is a prime.

It is a super-2 number, since 2×135383231² = 36657238471998722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135383194 and 135383203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135383233) 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 7 ways as a sum of consecutive naturals, for example, 530 + ... + 16463.

It is an arithmetic number, because the mean of its divisors is an integer number (17537808).

Almost surely, 2^135383231 is an apocalyptic number.

135383231 is a deficient number, since it is larger than the sum of its proper divisors (4919233).

135383231 is a wasteful number, since it uses less digits than its factorization.

135383231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17281.

The product of its digits is 6480, while the sum is 29.

The square root of 135383231 is about 11635.4299877572. The cubic root of 135383231 is about 513.4777445037.

The spelling of 135383231 in words is "one hundred thirty-five million, three hundred eighty-three thousand, two hundred thirty-one".