142421420655613 has 8 divisors (see below), whose sum is σ = 155543984688960. Its totient is φ = 129328050314880.

The previous prime is 142421420655599. The next prime is 142421420655641. The reversal of 142421420655613 is 316556024124241.

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 142421420655613 - 2⁵ = 142421420655581 is a prime.

It is a super-2 number, since 2×142421420655613² (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 (142421420695613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7298412948 + ... + 7298432461.

It is an arithmetic number, because the mean of its divisors is an integer number (19442998086120).

Almost surely, 2^{142421420655613} is an apocalyptic number.

It is an amenable number.

142421420655613 is a deficient number, since it is larger than the sum of its proper divisors (13122564033347).

142421420655613 is a wasteful number, since it uses less digits than its factorization.

142421420655613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14596846307.

The product of its (nonzero) digits is 1382400, while the sum is 46.

Adding to 142421420655613 its reverse (316556024124241), we get a palindrome (458977444779854).

The spelling of 142421420655613 in words is "one hundred forty-two trillion, four hundred twenty-one billion, four hundred twenty million, six hundred fifty-five thousand, six hundred thirteen".