131414420 has 48 divisors (see below), whose sum is σ = 293388480. Its totient is φ = 49273344.

The previous prime is 131414419. The next prime is 131414429. The reversal of 131414420 is 24414131.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 131414392 and 131414401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131414429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103751 + ... + 105009.

It is an arithmetic number, because the mean of its divisors is an integer number (6112260).

Almost surely, 2^131414420 is an apocalyptic number.

131414420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131414420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146694240).

131414420 is an abundant number, since it is smaller than the sum of its proper divisors (161974060).

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

131414420 is a wasteful number, since it uses less digits than its factorization.

131414420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592 (or 1590 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 131414420 is about 11463.6128685506. The cubic root of 131414420 is about 508.4103005080.

Adding to 131414420 its reverse (24414131), we get a palindrome (155828551).

The spelling of 131414420 in words is "one hundred thirty-one million, four hundred fourteen thousand, four hundred twenty".