135103393 has 4 divisors (see below), whose sum is σ = 135198720. Its totient is φ = 135008068.

The previous prime is 135103379. The next prime is 135103399. The reversal of 135103393 is 393301531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135103393 - 2⁹ = 135102881 is a prime.

It is a super-2 number, since 2×135103393² = 36505853600224898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135103399) 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, 45505 + ... + 48382.

It is an arithmetic number, because the mean of its divisors is an integer number (33799680).

Almost surely, 2^135103393 is an apocalyptic number.

It is an amenable number.

135103393 is a deficient number, since it is larger than the sum of its proper divisors (95327).

135103393 is an equidigital number, since it uses as much as digits as its factorization.

135103393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95326.

The product of its (nonzero) digits is 3645, while the sum is 28.

The square root of 135103393 is about 11623.3985133437. The cubic root of 135103393 is about 513.1237132081.

The spelling of 135103393 in words is "one hundred thirty-five million, one hundred three thousand, three hundred ninety-three".