131420418 has 8 divisors (see below), whose sum is σ = 262840848. Its totient is φ = 43806804.

The previous prime is 131420417. The next prime is 131420423. The reversal of 131420418 is 814024131.

131420418 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

131420418 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (131420417) 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, 10951696 + ... + 10951707.

It is an arithmetic number, because the mean of its divisors is an integer number (32855106).

Almost surely, 2^131420418 is an apocalyptic number.

131420418 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.

131420418 is a wasteful number, since it uses less digits than its factorization.

131420418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21903408.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 131420418 is about 11463.8744759353. The cubic root of 131420418 is about 508.4180353227.

Adding to 131420418 its reverse (814024131), we get a palindrome (945444549).

The spelling of 131420418 in words is "one hundred thirty-one million, four hundred twenty thousand, four hundred eighteen".