142213393 has 16 divisors (see below), whose sum is σ = 169989120. Its totient is φ = 116327376.

The previous prime is 142213369. The next prime is 142213403. The reversal of 142213393 is 393312241.

It is not a de Polignac number, because 142213393 - 2²⁵ = 108658961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142213793) 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, 98946 + ... + 100372.

It is an arithmetic number, because the mean of its divisors is an integer number (10624320).

Almost surely, 2^142213393 is an apocalyptic number.

It is an amenable number.

142213393 is a deficient number, since it is larger than the sum of its proper divisors (27775727).

142213393 is a wasteful number, since it uses less digits than its factorization.

142213393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076.

The product of its digits is 3888, while the sum is 28.

The square root of 142213393 is about 11925.3256978583. The cubic root of 142213393 is about 521.9715502960.

The spelling of 142213393 in words is "one hundred forty-two million, two hundred thirteen thousand, three hundred ninety-three".