142213607 has 4 divisors (see below), whose sum is σ = 146057256. Its totient is φ = 138369960.

The previous prime is 142213573. The next prime is 142213633. The reversal of 142213607 is 706312241.

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

It is a cyclic number.

It is not a de Polignac number, because 142213607 - 2²² = 138019303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142213657) 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 3 ways as a sum of consecutive naturals, for example, 1921769 + ... + 1921842.

It is an arithmetic number, because the mean of its divisors is an integer number (36514314).

Almost surely, 2^142213607 is an apocalyptic number.

142213607 is a deficient number, since it is larger than the sum of its proper divisors (3843649).

142213607 is an equidigital number, since it uses as much as digits as its factorization.

142213607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3843648.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 142213607 is about 11925.3346703562. The cubic root of 142213607 is about 521.9718121134.

Adding to 142213607 its reverse (706312241), we get a palindrome (848525848).

The spelling of 142213607 in words is "one hundred forty-two million, two hundred thirteen thousand, six hundred seven".