400130142 has 8 divisors (see below), whose sum is σ = 800260296. Its totient is φ = 133376712.

The previous prime is 400130119. The next prime is 400130147. The reversal of 400130142 is 241031004.

It is a sphenic number, since it is the product of 3 distinct primes.

400130142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400130147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33344173 + ... + 33344184.

It is an arithmetic number, because the mean of its divisors is an integer number (100032537).

Almost surely, 2^400130142 is an apocalyptic number.

400130142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

400130142 is a wasteful number, since it uses less digits than its factorization.

400130142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66688362.

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

The square root of 400130142 is about 20003.2532854034. The cubic root of 400130142 is about 736.8861989347.

Adding to 400130142 its reverse (241031004), we get a palindrome (641161146).

It can be divided in two parts, 4001 and 30142, that added together give a palindrome (34143).

The spelling of 400130142 in words is "four hundred million, one hundred thirty thousand, one hundred forty-two".