142696571 has 2 divisors, whose sum is σ = 142696572. Its totient is φ = 142696570.

The previous prime is 142696553. The next prime is 142696579. The reversal of 142696571 is 175696241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142696571 is a prime.

It is a super-2 number, since 2×142696571² = 40724622750316082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142696579) 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 as a sum of consecutive naturals, namely, 71348285 + 71348286.

It is an arithmetic number, because the mean of its divisors is an integer number (71348286).

Almost surely, 2^142696571 is an apocalyptic number.

142696571 is a deficient number, since it is larger than the sum of its proper divisors (1).

142696571 is an equidigital number, since it uses as much as digits as its factorization.

142696571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 41.

The square root of 142696571 is about 11945.5670020305. The cubic root of 142696571 is about 522.5620246417.

The spelling of 142696571 in words is "one hundred forty-two million, six hundred ninety-six thousand, five hundred seventy-one".