135471313 has 4 divisors (see below), whose sum is σ = 135825408. Its totient is φ = 135117220.

The previous prime is 135471307. The next prime is 135471331. The reversal of 135471313 is 313174531.

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, and also an emirpimes, since its reverse is a distinct semiprime: 313174531 = 5297 ⋅59123.

It is a cyclic number.

It is not a de Polignac number, because 135471313 - 2¹⁷ = 135340241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135471353) 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, 176473 + ... + 177238.

It is an arithmetic number, because the mean of its divisors is an integer number (33956352).

Almost surely, 2^135471313 is an apocalyptic number.

It is an amenable number.

135471313 is a deficient number, since it is larger than the sum of its proper divisors (354095).

135471313 is an equidigital number, since it uses as much as digits as its factorization.

135471313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354094.

The product of its digits is 3780, while the sum is 28.

The square root of 135471313 is about 11639.2144494377. The cubic root of 135471313 is about 513.5890786801.

The spelling of 135471313 in words is "one hundred thirty-five million, four hundred seventy-one thousand, three hundred thirteen".