142386870 has 16 divisors (see below), whose sum is σ = 341728560. Its totient is φ = 37969824.

The previous prime is 142386869. The next prime is 142386877. The reversal of 142386870 is 78683241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142386877) 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, 2373085 + ... + 2373144.

It is an arithmetic number, because the mean of its divisors is an integer number (21358035).

Almost surely, 2^142386870 is an apocalyptic number.

142386870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142386870 is an abundant number, since it is smaller than the sum of its proper divisors (199341690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142386870 is a wasteful number, since it uses less digits than its factorization.

142386870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4746239.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 142386870 is about 11932.5969512089. The cubic root of 142386870 is about 522.1837039310.

The spelling of 142386870 in words is "one hundred forty-two million, three hundred eighty-six thousand, eight hundred seventy".