142391216935463 has 4 divisors (see below), whose sum is σ = 145420817295840. Its totient is φ = 139361616575088.

The previous prime is 142391216935427. The next prime is 142391216935481. The reversal of 142391216935463 is 364539612193241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142391216935463 - 2¹² = 142391216931367 is a prime.

It is a super-2 number, since 2×142391216935463² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142391216935483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1514800180118 + ... + 1514800180211.

It is an arithmetic number, because the mean of its divisors is an integer number (36355204323960).

Almost surely, 2^{142391216935463} is an apocalyptic number.

142391216935463 is a deficient number, since it is larger than the sum of its proper divisors (3029600360377).

142391216935463 is an equidigital number, since it uses as much as digits as its factorization.

142391216935463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3029600360376.

The product of its digits is 25194240, while the sum is 59.

The spelling of 142391216935463 in words is "one hundred forty-two trillion, three hundred ninety-one billion, two hundred sixteen million, nine hundred thirty-five thousand, four hundred sixty-three".