135203331 has 8 divisors (see below), whose sum is σ = 180973584. Its totient is φ = 89784320.

The previous prime is 135203317. The next prime is 135203333. The reversal of 135203331 is 133302531.

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 135203331 - 2¹⁹ = 134679043 is a prime.

It is a super-2 number, since 2×135203331² = 36559881426991122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135203298 and 135203307.

It is not an unprimeable number, because it can be changed into a prime (135203333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86910 + ... + 88451.

It is an arithmetic number, because the mean of its divisors is an integer number (22621698).

Almost surely, 2^135203331 is an apocalyptic number.

135203331 is a deficient number, since it is larger than the sum of its proper divisors (45770253).

135203331 is a wasteful number, since it uses less digits than its factorization.

135203331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175621.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 135203331 is about 11627.6967194711. The cubic root of 135203331 is about 513.2502037853.

Adding to 135203331 its reverse (133302531), we get a palindrome (268505862).

The spelling of 135203331 in words is "one hundred thirty-five million, two hundred three thousand, three hundred thirty-one".