131732745 has 16 divisors (see below), whose sum is σ = 223171200. Its totient is φ = 66124544.

The previous prime is 131732743. The next prime is 131732747. The reversal of 131732745 is 547237131.

It is an interprime number because it is at equal distance from previous prime (131732743) and next prime (131732747).

It is a cyclic number.

It is not a de Polignac number, because 131732745 - 2¹ = 131732743 is a prime.

It is a super-2 number, since 2×131732745² = 34707032210470050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131732743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258045 + ... + 258554.

It is an arithmetic number, because the mean of its divisors is an integer number (13948200).

Almost surely, 2^131732745 is an apocalyptic number.

131732745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131732745 is a deficient number, since it is larger than the sum of its proper divisors (91438455).

131732745 is a wasteful number, since it uses less digits than its factorization.

131732745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516624.

The product of its digits is 17640, while the sum is 33.

The square root of 131732745 is about 11477.4886190316. The cubic root of 131732745 is about 508.8204767270.

Adding to 131732745 its reverse (547237131), we get a palindrome (678969876).

The spelling of 131732745 in words is "one hundred thirty-one million, seven hundred thirty-two thousand, seven hundred forty-five".