142001311400 has 96 divisors (see below), whose sum is σ = 356377190400. Its totient is φ = 52309190400.

The previous prime is 142001311337. The next prime is 142001311447. The reversal of 142001311400 is 4113100241.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1057241 + ... + 1183959.

It is an arithmetic number, because the mean of its divisors is an integer number (3712262400).

Almost surely, 2^142001311400 is an apocalyptic number.

142001311400 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 142001311400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178188595200).

142001311400 is an abundant number, since it is smaller than the sum of its proper divisors (214375879000).

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

142001311400 is a wasteful number, since it uses less digits than its factorization.

142001311400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127179 (or 127170 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 142001311400 its reverse (4113100241), we get a palindrome (146114411641).

The spelling of 142001311400 in words is "one hundred forty-two billion, one million, three hundred eleven thousand, four hundred".