142916087 has 2 divisors, whose sum is σ = 142916088. Its totient is φ = 142916086.

The previous prime is 142916083. The next prime is 142916117. The reversal of 142916087 is 780619241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142916087 - 2² = 142916083 is a prime.

It is equal to p_8067575 and since 142916087 and 8067575 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142916087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142916083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71458043 + 71458044.

It is an arithmetic number, because the mean of its divisors is an integer number (71458044).

Almost surely, 2^142916087 is an apocalyptic number.

142916087 is a deficient number, since it is larger than the sum of its proper divisors (1).

142916087 is an equidigital number, since it uses as much as digits as its factorization.

142916087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 142916087 is about 11954.7516494489. The cubic root of 142916087 is about 522.8298469012.

The spelling of 142916087 in words is "one hundred forty-two million, nine hundred sixteen thousand, eighty-seven".