142621283639 has 8 divisors (see below), whose sum is σ = 147742198272. Its totient is φ = 137532883320.

The previous prime is 142621283561. The next prime is 142621283657. The reversal of 142621283639 is 936382126241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142621283639 - 2³⁶ = 73901806903 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142621283593 and 142621283602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142621283339) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8119649 + ... + 8137194.

It is an arithmetic number, because the mean of its divisors is an integer number (18467774784).

Almost surely, 2^142621283639 is an apocalyptic number.

142621283639 is a deficient number, since it is larger than the sum of its proper divisors (5120914633).

142621283639 is a wasteful number, since it uses less digits than its factorization.

142621283639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16257157.

The product of its digits is 746496, while the sum is 47.

The spelling of 142621283639 in words is "one hundred forty-two billion, six hundred twenty-one million, two hundred eighty-three thousand, six hundred thirty-nine".