131027145 has 16 divisors (see below), whose sum is σ = 210423552. Its totient is φ = 69621120.

The previous prime is 131027129. The next prime is 131027153. The reversal of 131027145 is 541720131.

It is not a de Polignac number, because 131027145 - 2⁴ = 131027129 is a prime.

It is a super-2 number, since 2×131027145² = 34336225453702050, which contains 22 as substring.

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, 12052 + ... + 20181.

It is an arithmetic number, because the mean of its divisors is an integer number (13151472).

Almost surely, 2^131027145 is an apocalyptic number.

131027145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131027145 is a deficient number, since it is larger than the sum of its proper divisors (79396407).

131027145 is a wasteful number, since it uses less digits than its factorization.

131027145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32512.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 131027145 is about 11446.7089156665. The cubic root of 131027145 is about 507.9103849713.

Adding to 131027145 its reverse (541720131), we get a palindrome (672747276).

The spelling of 131027145 in words is "one hundred thirty-one million, twenty-seven thousand, one hundred forty-five".