401300142 has 16 divisors (see below), whose sum is σ = 807241680. Its totient is φ = 132993152.

The previous prime is 401300131. The next prime is 401300143. The reversal of 401300142 is 241003104.

It is a super-2 number, since 2×401300142² = 322083607938440328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401300143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192267 + ... + 194342.

It is an arithmetic number, because the mean of its divisors is an integer number (50452605).

Almost surely, 2^401300142 is an apocalyptic number.

401300142 is an abundant number, since it is smaller than the sum of its proper divisors (405941538).

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

401300142 is a wasteful number, since it uses less digits than its factorization.

401300142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386787.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 401300142 is about 20032.4771808182. The cubic root of 401300142 is about 737.6037303870.

Adding to 401300142 its reverse (241003104), we get a palindrome (642303246).

The spelling of 401300142 in words is "four hundred one million, three hundred thousand, one hundred forty-two".