131458065 has 16 divisors (see below), whose sum is σ = 212417856. Its totient is φ = 69416000.

The previous prime is 131458051. The next prime is 131458079. The reversal of 131458065 is 560854131.

It is an interprime number because it is at equal distance from previous prime (131458051) and next prime (131458079).

It is not a de Polignac number, because 131458065 - 2⁶ = 131458001 is a prime.

It is a Curzon number.

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, 41871 + ... + 44900.

It is an arithmetic number, because the mean of its divisors is an integer number (13276116).

Almost surely, 2^131458065 is an apocalyptic number.

131458065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131458065 is a deficient number, since it is larger than the sum of its proper divisors (80959791).

131458065 is a wasteful number, since it uses less digits than its factorization.

131458065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86880.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 131458065 is about 11465.5163424941. The cubic root of 131458065 is about 508.4665782272.

The spelling of 131458065 in words is "one hundred thirty-one million, four hundred fifty-eight thousand, sixty-five".