4000131120 has 80 divisors (see below), whose sum is σ = 12603737952. Its totient is φ = 1049210880.

The previous prime is 4000131119. The next prime is 4000131143. The reversal of 4000131120 is 211310004.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 4000131096 and 4000131105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121977 + ... + 151256.

Almost surely, 2^4000131120 is an apocalyptic number.

4000131120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4000131120 is an abundant number, since it is smaller than the sum of its proper divisors (8603606832).

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

4000131120 is a wasteful number, since it uses less digits than its factorization.

4000131120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273310 (or 273304 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 4000131120 is about 63246.5897894898. The cubic root of 4000131120 is about 1587.4183967808.

Adding to 4000131120 its reverse (211310004), we get a palindrome (4211441124).

The spelling of 4000131120 in words is "four billion, one hundred thirty-one thousand, one hundred twenty".