142421613321351 has 128 divisors (see below), whose sum is σ = 241171387269120. Its totient is φ = 72759423356928.

The previous prime is 142421613321347. The next prime is 142421613321359. The reversal of 142421613321351 is 153123316124241.

It is not a de Polignac number, because 142421613321351 - 2² = 142421613321347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142421613321359) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 741656190 + ... + 741848196.

It is an arithmetic number, because the mean of its divisors is an integer number (1884151463040).

Almost surely, 2^{142421613321351} is an apocalyptic number.

142421613321351 is a deficient number, since it is larger than the sum of its proper divisors (98749773947769).

142421613321351 is a wasteful number, since it uses less digits than its factorization.

142421613321351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192605.

The product of its digits is 103680, while the sum is 39.

Adding to 142421613321351 its reverse (153123316124241), we get a palindrome (295544929445592).

The spelling of 142421613321351 in words is "one hundred forty-two trillion, four hundred twenty-one billion, six hundred thirteen million, three hundred twenty-one thousand, three hundred fifty-one".