131520214 has 24 divisors (see below), whose sum is σ = 231055200. Its totient is φ = 55981296.

The previous prime is 131520203. The next prime is 131520217. The reversal of 131520214 is 412025131.

It is a junction number, because it is equal to n+sod(n) for n = 131520191 and 131520200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131520217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10099 + ... + 19105.

It is an arithmetic number, because the mean of its divisors is an integer number (9627300).

Almost surely, 2^131520214 is an apocalyptic number.

131520214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

131520214 is a deficient number, since it is larger than the sum of its proper divisors (99534986).

131520214 is a wasteful number, since it uses less digits than its factorization.

131520214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9172 (or 9165 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 131520214 is about 11468.2262795953. The cubic root of 131520214 is about 508.5466942976.

Adding to 131520214 its reverse (412025131), we get a palindrome (543545345).

The spelling of 131520214 in words is "one hundred thirty-one million, five hundred twenty thousand, two hundred fourteen".