131656346265 has 16 divisors (see below), whose sum is σ = 214624686528. Its totient is φ = 68891873856.

The previous prime is 131656346251. The next prime is 131656346329. The reversal of 131656346265 is 562643656131.

It is not a de Polignac number, because 131656346265 - 2⁴ = 131656346249 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, 82801939 + ... + 82803528.

It is an arithmetic number, because the mean of its divisors is an integer number (13414042908).

Almost surely, 2^131656346265 is an apocalyptic number.

131656346265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131656346265 is a deficient number, since it is larger than the sum of its proper divisors (82968340263).

131656346265 is a wasteful number, since it uses less digits than its factorization.

131656346265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165605528.

The product of its digits is 2332800, while the sum is 48.

The spelling of 131656346265 in words is "one hundred thirty-one billion, six hundred fifty-six million, three hundred forty-six thousand, two hundred sixty-five".