142391216935464 has 128 divisors (see below), whose sum is σ = 411619560641280. Its totient is φ = 40205942784000.

The previous prime is 142391216935427. The next prime is 142391216935481. The reversal of 142391216935464 is 464539612193241.

142391216935464 is an astonishing number since 142391216935464 = 1423912 + ... + 16935464.

It is a junction number, because it is equal to n+sod(n) for n = 142391216935398 and 142391216935407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1423912 + ... + 16935464.

It is an arithmetic number, because the mean of its divisors is an integer number (3215777817510).

Almost surely, 2^{142391216935464} is an apocalyptic number.

142391216935464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142391216935464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205809780320640).

142391216935464 is an abundant number, since it is smaller than the sum of its proper divisors (269228343705816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142391216935464 is a wasteful number, since it uses less digits than its factorization.

142391216935464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15512211 (or 15512207 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 60.

The spelling of 142391216935464 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-four".