400103142 has 16 divisors (see below), whose sum is σ = 800416512. Its totient is φ = 133332680.

The previous prime is 400103141. The next prime is 400103153. The reversal of 400103142 is 241301004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400103141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27583 + ... + 39509.

It is an arithmetic number, because the mean of its divisors is an integer number (50026032).

Almost surely, 2^400103142 is an apocalyptic number.

400103142 is an abundant number, since it is smaller than the sum of its proper divisors (400313370).

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

400103142 is a wasteful number, since it uses less digits than its factorization.

400103142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17523.

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

The square root of 400103142 is about 20002.5783837984. The cubic root of 400103142 is about 736.8696240150.

Adding to 400103142 its reverse (241301004), we get a palindrome (641404146).

The spelling of 400103142 in words is "four hundred million, one hundred three thousand, one hundred forty-two".