134515143 has 18 divisors (see below), whose sum is σ = 226022784. Its totient is φ = 76865544.

The previous prime is 134515127. The next prime is 134515153. The reversal of 134515143 is 341515431.

It is a happy number.

134515143 is a `hidden beast` number, since 1 + 3 + 4 + 515 + 143 = 666.

It is not a de Polignac number, because 134515143 - 2⁴ = 134515127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134515153) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 152071 + ... + 152952.

Almost surely, 2^134515143 is an apocalyptic number.

134515143 is a deficient number, since it is larger than the sum of its proper divisors (91507641).

134515143 is a wasteful number, since it uses less digits than its factorization.

134515143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305043 (or 305033 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 134515143 is about 11598.0663474564. The cubic root of 134515143 is about 512.3779037323.

The spelling of 134515143 in words is "one hundred thirty-four million, five hundred fifteen thousand, one hundred forty-three".