142213967 has 8 divisors (see below), whose sum is σ = 162659616. Its totient is φ = 121800672.

The previous prime is 142213949. The next prime is 142213969. The reversal of 142213967 is 769312241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142213967 - 2¹⁶ = 142148431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142213969) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 2213 + ... + 17009.

It is an arithmetic number, because the mean of its divisors is an integer number (20332452).

Almost surely, 2^142213967 is an apocalyptic number.

142213967 is a deficient number, since it is larger than the sum of its proper divisors (20445649).

142213967 is a wasteful number, since it uses less digits than its factorization.

142213967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16177.

The product of its digits is 18144, while the sum is 35.

The square root of 142213967 is about 11925.3497642627. The cubic root of 142213967 is about 521.9722525535.

The spelling of 142213967 in words is "one hundred forty-two million, two hundred thirteen thousand, nine hundred sixty-seven".