142813136 has 20 divisors (see below), whose sum is σ = 277594212. Its totient is φ = 71175936.

The previous prime is 142813133. The next prime is 142813147. The reversal of 142813136 is 631318241.

It can be written as a sum of positive squares in 2 ways, for example, as 51036736 + 91776400 = 7144^2 + 9580^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142813099 and 142813108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142813133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9251 + ... + 19266.

Almost surely, 2^142813136 is an apocalyptic number.

142813136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

142813136 is a deficient number, since it is larger than the sum of its proper divisors (134781076).

142813136 is a wasteful number, since it uses less digits than its factorization.

142813136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28838 (or 28832 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 142813136 is about 11950.4450126345. The cubic root of 142813136 is about 522.7042748807.

The spelling of 142813136 in words is "one hundred forty-two million, eight hundred thirteen thousand, one hundred thirty-six".