142320711 has 16 divisors (see below), whose sum is σ = 213244416. Its totient is φ = 83773536.

The previous prime is 142320691. The next prime is 142320733. The reversal of 142320711 is 117023241.

142320711 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142320711 - 2¹⁰ = 142319687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142320751) 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, 78435 + ... + 80228.

It is an arithmetic number, because the mean of its divisors is an integer number (13327776).

Almost surely, 2^142320711 is an apocalyptic number.

142320711 is a deficient number, since it is larger than the sum of its proper divisors (70923705).

142320711 is a wasteful number, since it uses less digits than its factorization.

142320711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158702.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 142320711 is about 11929.8244329076. The cubic root of 142320711 is about 522.1028151436.

Adding to 142320711 its reverse (117023241), we get a palindrome (259343952).

The spelling of 142320711 in words is "one hundred forty-two million, three hundred twenty thousand, seven hundred eleven".