142086911 has 2 divisors, whose sum is σ = 142086912. Its totient is φ = 142086910.

The previous prime is 142086887. The next prime is 142086913. The reversal of 142086911 is 119680241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142086911 - 2²² = 137892607 is a prime.

Together with 142086913, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142086913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71043455 + 71043456.

It is an arithmetic number, because the mean of its divisors is an integer number (71043456).

Almost surely, 2^142086911 is an apocalyptic number.

142086911 is a deficient number, since it is larger than the sum of its proper divisors (1).

142086911 is an equidigital number, since it uses as much as digits as its factorization.

142086911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 142086911 is about 11920.0214345445. The cubic root of 142086911 is about 521.8167604030.

The spelling of 142086911 in words is "one hundred forty-two million, eighty-six thousand, nine hundred eleven".