142397962535920 has 480 divisors, whose sum is σ = 424518219844992. Its totient is φ = 44017592500224.

The previous prime is 142397962535911. The next prime is 142397962535929. The reversal of 142397962535920 is 29535269793241.

It is an interprime number because it is at equal distance from previous prime (142397962535911) and next prime (142397962535929).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142397962535929) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 382982424 + ... + 383354056.

Almost surely, 2^{142397962535920} is an apocalyptic number.

142397962535920 is a gapful number since it is divisible by the number (10) 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 142397962535920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212259109922496).

142397962535920 is an abundant number, since it is smaller than the sum of its proper divisors (282120257309072).

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

142397962535920 is a wasteful number, since it uses less digits than its factorization.

142397962535920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371849 (or 371836 counting only the distinct ones).

The product of its (nonzero) digits is 220449600, while the sum is 67.

The spelling of 142397962535920 in words is "one hundred forty-two trillion, three hundred ninety-seven billion, nine hundred sixty-two million, five hundred thirty-five thousand, nine hundred twenty".