142527813 has 16 divisors (see below), whose sum is σ = 202694400. Its totient is φ = 88772096.

The previous prime is 142527809. The next prime is 142527851. The reversal of 142527813 is 318725241.

It is not a de Polignac number, because 142527813 - 2² = 142527809 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142527713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3213 + ... + 17186.

It is an arithmetic number, because the mean of its divisors is an integer number (12668400).

Almost surely, 2^142527813 is an apocalyptic number.

It is an amenable number.

142527813 is a deficient number, since it is larger than the sum of its proper divisors (60166587).

142527813 is a wasteful number, since it uses less digits than its factorization.

142527813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20556.

The product of its digits is 13440, while the sum is 33.

The square root of 142527813 is about 11938.5012878502. The cubic root of 142527813 is about 522.3559432842.

The spelling of 142527813 in words is "one hundred forty-two million, five hundred twenty-seven thousand, eight hundred thirteen".