131542177065 has 32 divisors (see below), whose sum is σ = 227967505920. Its totient is φ = 64384878336.

The previous prime is 131542177051. The next prime is 131542177079. The reversal of 131542177065 is 560771245131.

It is an interprime number because it is at equal distance from previous prime (131542177051) and next prime (131542177079).

It is not a de Polignac number, because 131542177065 - 2¹⁴ = 131542160681 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1915905 + ... + 1983374.

It is an arithmetic number, because the mean of its divisors is an integer number (7123984560).

Almost surely, 2^131542177065 is an apocalyptic number.

131542177065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131542177065 is a deficient number, since it is larger than the sum of its proper divisors (96425328855).

131542177065 is a wasteful number, since it uses less digits than its factorization.

131542177065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3899473.

The product of its (nonzero) digits is 176400, while the sum is 42.

The spelling of 131542177065 in words is "one hundred thirty-one billion, five hundred forty-two million, one hundred seventy-seven thousand, sixty-five".