131420515 has 16 divisors (see below), whose sum is σ = 160302240. Its totient is φ = 103417600.

The previous prime is 131420491. The next prime is 131420521. The reversal of 131420515 is 515024131.

It is a happy number.

It is not a de Polignac number, because 131420515 - 2¹¹ = 131418467 is a prime.

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, 100365 + ... + 101665.

It is an arithmetic number, because the mean of its divisors is an integer number (10018890).

Almost surely, 2^131420515 is an apocalyptic number.

131420515 is a deficient number, since it is larger than the sum of its proper divisors (28881725).

131420515 is a wasteful number, since it uses less digits than its factorization.

131420515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 131420515 is about 11463.8787066158. The cubic root of 131420515 is about 508.4181604087.

Adding to 131420515 its reverse (515024131), we get a palindrome (646444646).

The spelling of 131420515 in words is "one hundred thirty-one million, four hundred twenty thousand, five hundred fifteen".