131126065 has 16 divisors (see below), whose sum is σ = 180311040. Its totient is φ = 89674560.

The previous prime is 131126057. The next prime is 131126089. The reversal of 131126065 is 560621131.

It is not a de Polignac number, because 131126065 - 2³ = 131126057 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, 8800 + ... + 18430.

It is an arithmetic number, because the mean of its divisors is an integer number (11269440).

Almost surely, 2^131126065 is an apocalyptic number.

It is an amenable number.

131126065 is a deficient number, since it is larger than the sum of its proper divisors (49184975).

131126065 is an equidigital number, since it uses as much as digits as its factorization.

131126065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10032.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 131126065 is about 11451.0289930643. The cubic root of 131126065 is about 508.0381698333.

Adding to 131126065 its reverse (560621131), we get a palindrome (691747196).

The spelling of 131126065 in words is "one hundred thirty-one million, one hundred twenty-six thousand, sixty-five".