131420015 has 8 divisors (see below), whose sum is σ = 157782048. Its totient is φ = 105084000.

The previous prime is 131419991. The next prime is 131420027. The reversal of 131420015 is 510024131.

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

It is not a de Polignac number, because 131420015 - 2¹² = 131415919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131419975 and 131420002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7265 + ... + 17765.

It is an arithmetic number, because the mean of its divisors is an integer number (19722756).

Almost surely, 2^131420015 is an apocalyptic number.

131420015 is a deficient number, since it is larger than the sum of its proper divisors (26362033).

131420015 is a wasteful number, since it uses less digits than its factorization.

131420015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13009.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 131420015 is about 11463.8568989673. The cubic root of 131420015 is about 508.4175156351.

Adding to 131420015 its reverse (510024131), we get a palindrome (641444146).

The spelling of 131420015 in words is "one hundred thirty-one million, four hundred twenty thousand, fifteen".