131450000 has 120 divisors (see below), whose sum is σ = 348727680. Its totient is φ = 47600000.

The previous prime is 131449973. The next prime is 131450003. The reversal of 131450000 is 54131.

It is not an unprimeable number, because it can be changed into a prime (131450003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 549881 + ... + 550119.

It is an arithmetic number, because the mean of its divisors is an integer number (2906064).

Almost surely, 2^131450000 is an apocalyptic number.

131450000 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 131450000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174363840).

131450000 is an abundant number, since it is smaller than the sum of its proper divisors (217277680).

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

131450000 is an equidigital number, since it uses as much as digits as its factorization.

131450000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 131450000 is about 11465.1646303051. The cubic root of 131450000 is about 508.4561798115.

The spelling of 131450000 in words is "one hundred thirty-one million, four hundred fifty thousand".