131246516 has 6 divisors (see below), whose sum is σ = 229681410. Its totient is φ = 65623256.

The previous prime is 131246483. The next prime is 131246543. The reversal of 131246516 is 615642131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 74304400 + 56942116 = 8620^2 + 7546^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16405811 + ... + 16405818.

It is an arithmetic number, because the mean of its divisors is an integer number (38280235).

Almost surely, 2^131246516 is an apocalyptic number.

It is an amenable number.

131246516 is a deficient number, since it is larger than the sum of its proper divisors (98434894).

131246516 is a wasteful number, since it uses less digits than its factorization.

131246516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32811633 (or 32811631 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 131246516 is about 11456.2871821546. The cubic root of 131246516 is about 508.1936817011.

Adding to 131246516 its reverse (615642131), we get a palindrome (746888647).

The spelling of 131246516 in words is "one hundred thirty-one million, two hundred forty-six thousand, five hundred sixteen".