135143319 has 8 divisors (see below), whose sum is σ = 190790640. Its totient is φ = 84795776.

The previous prime is 135143311. The next prime is 135143321. The reversal of 135143319 is 913341531.

135143319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 135143319 - 2³ = 135143311 is a prime.

It is a super-2 number, since 2×135143319² = 36527433340671522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135143311) 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, 1324884 + ... + 1324985.

It is an arithmetic number, because the mean of its divisors is an integer number (23848830).

Almost surely, 2^135143319 is an apocalyptic number.

135143319 is a deficient number, since it is larger than the sum of its proper divisors (55647321).

135143319 is a wasteful number, since it uses less digits than its factorization.

135143319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649889.

The product of its digits is 4860, while the sum is 30.

The square root of 135143319 is about 11625.1158703903. The cubic root of 135143319 is about 513.1742546468.

The spelling of 135143319 in words is "one hundred thirty-five million, one hundred forty-three thousand, three hundred nineteen".