401020130142 has 24 divisors (see below), whose sum is σ = 868889193744. Its totient is φ = 133671492864.

The previous prime is 401020130087. The next prime is 401020130149. The reversal of 401020130142 is 241031020104.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401020130149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1847358 + ... + 2052990.

It is an arithmetic number, because the mean of its divisors is an integer number (36203716406).

Almost surely, 2^401020130142 is an apocalyptic number.

401020130142 is an abundant number, since it is smaller than the sum of its proper divisors (467869063602).

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

401020130142 is a wasteful number, since it uses less digits than its factorization.

401020130142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313984 (or 313981 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 401020130142 its reverse (241031020104), we get a palindrome (642051150246).

The spelling of 401020130142 in words is "four hundred one billion, twenty million, one hundred thirty thousand, one hundred forty-two".