131086147 has 4 divisors (see below), whose sum is σ = 131143320. Its totient is φ = 131028976.

The previous prime is 131086139. The next prime is 131086159. The reversal of 131086147 is 741680131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131086147 - 2³ = 131086139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131086117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24997 + ... + 29782.

It is an arithmetic number, because the mean of its divisors is an integer number (32785830).

Almost surely, 2^131086147 is an apocalyptic number.

131086147 is a deficient number, since it is larger than the sum of its proper divisors (57173).

131086147 is an equidigital number, since it uses as much as digits as its factorization.

131086147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57172.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 131086147 is about 11449.2858729267. The cubic root of 131086147 is about 507.9866114954.

The spelling of 131086147 in words is "one hundred thirty-one million, eighty-six thousand, one hundred forty-seven".