142713291 has 16 divisors (see below), whose sum is σ = 222096384. Its totient is φ = 79814784.

The previous prime is 142713253. The next prime is 142713323. The reversal of 142713291 is 192317241.

It is not a de Polignac number, because 142713291 - 2⁶ = 142713227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142713391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71310 + ... + 73283.

It is an arithmetic number, because the mean of its divisors is an integer number (13881024).

Almost surely, 2^142713291 is an apocalyptic number.

142713291 is a deficient number, since it is larger than the sum of its proper divisors (79383093).

142713291 is a wasteful number, since it uses less digits than its factorization.

142713291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144650.

The product of its digits is 3024, while the sum is 30.

The square root of 142713291 is about 11946.2668227359. The cubic root of 142713291 is about 522.5824336717.

The spelling of 142713291 in words is "one hundred forty-two million, seven hundred thirteen thousand, two hundred ninety-one".