131645127 has 16 divisors (see below), whose sum is σ = 191849472. Its totient is φ = 79935360.

The previous prime is 131645099. The next prime is 131645131. The reversal of 131645127 is 721546131.

It is not a de Polignac number, because 131645127 - 2⁷ = 131644999 is a prime.

It is a super-2 number, since 2×131645127² = 34660878925692258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131645094 and 131645103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131645197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40053 + ... + 43214.

It is an arithmetic number, because the mean of its divisors is an integer number (11990592).

Almost surely, 2^131645127 is an apocalyptic number.

131645127 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

131645127 is a deficient number, since it is larger than the sum of its proper divisors (60204345).

131645127 is a wasteful number, since it uses less digits than its factorization.

131645127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83318.

The product of its digits is 5040, while the sum is 30.

The square root of 131645127 is about 11473.6710341547. The cubic root of 131645127 is about 508.7076429228.

The spelling of 131645127 in words is "one hundred thirty-one million, six hundred forty-five thousand, one hundred twenty-seven".