142513286 has 4 divisors (see below), whose sum is σ = 213769932. Its totient is φ = 71256642.

The previous prime is 142513277. The next prime is 142513321. The reversal of 142513286 is 682315241.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35628320 + ... + 35628323.

It is an arithmetic number, because the mean of its divisors is an integer number (53442483).

Almost surely, 2^142513286 is an apocalyptic number.

142513286 is a deficient number, since it is larger than the sum of its proper divisors (71256646).

142513286 is an equidigital number, since it uses as much as digits as its factorization.

142513286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71256645.

The product of its digits is 11520, while the sum is 32.

The square root of 142513286 is about 11937.8928626454. The cubic root of 142513286 is about 522.3381958181.

The spelling of 142513286 in words is "one hundred forty-two million, five hundred thirteen thousand, two hundred eighty-six".