142137563 has 2 divisors, whose sum is σ = 142137564. Its totient is φ = 142137562.

The previous prime is 142137553. The next prime is 142137571. The reversal of 142137563 is 365731241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142137563 - 2⁴ = 142137547 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142137553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71068781 + 71068782.

It is an arithmetic number, because the mean of its divisors is an integer number (71068782).

Almost surely, 2^142137563 is an apocalyptic number.

142137563 is a deficient number, since it is larger than the sum of its proper divisors (1).

142137563 is an equidigital number, since it uses as much as digits as its factorization.

142137563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 32.

The square root of 142137563 is about 11922.1459058342. The cubic root of 142137563 is about 521.8787598328.

The spelling of 142137563 in words is "one hundred forty-two million, one hundred thirty-seven thousand, five hundred sixty-three".