400130140 has 12 divisors (see below), whose sum is σ = 840273336. Its totient is φ = 160052048.

The previous prime is 400130119. The next prime is 400130147. The reversal of 400130140 is 41031004.

It is a self number, because there is not a number n which added to its sum of digits gives 400130140.

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, 10003234 + ... + 10003273.

It is an arithmetic number, because the mean of its divisors is an integer number (70022778).

Almost surely, 2^400130140 is an apocalyptic number.

It is an amenable number.

400130140 is an abundant number, since it is smaller than the sum of its proper divisors (440143196).

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

400130140 is a wasteful number, since it uses less digits than its factorization.

400130140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20006516 (or 20006514 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 400130140 is about 20003.2532354115. The cubic root of 400130140 is about 736.8861977070.

Adding to 400130140 its reverse (41031004), we get a palindrome (441161144).

The spelling of 400130140 in words is "four hundred million, one hundred thirty thousand, one hundred forty".