131026755 has 24 divisors (see below), whose sum is σ = 221266512. Its totient is φ = 66200256.

The previous prime is 131026723. The next prime is 131026757. The reversal of 131026755 is 557620131.

It is not a de Polignac number, because 131026755 - 2⁵ = 131026723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131026757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6684 + ... + 17513.

It is an arithmetic number, because the mean of its divisors is an integer number (9219438).

Almost surely, 2^131026755 is an apocalyptic number.

131026755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131026755 is a deficient number, since it is larger than the sum of its proper divisors (90239757).

131026755 is a wasteful number, since it uses less digits than its factorization.

131026755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24243 (or 24224 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 131026755 is about 11446.6918801897. The cubic root of 131026755 is about 507.9098810420.

Adding to 131026755 its reverse (557620131), we get a palindrome (688646886).

The spelling of 131026755 in words is "one hundred thirty-one million, twenty-six thousand, seven hundred fifty-five".