131173748 has 6 divisors (see below), whose sum is σ = 229554066. Its totient is φ = 65586872.

The previous prime is 131173747. The next prime is 131173753. The reversal of 131173748 is 847371131.

It can be written as a sum of positive squares in only one way, i.e., 130599184 + 574564 = 11428^2 + 758^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131173747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16396715 + ... + 16396722.

It is an arithmetic number, because the mean of its divisors is an integer number (38259011).

Almost surely, 2^131173748 is an apocalyptic number.

It is an amenable number.

131173748 is a deficient number, since it is larger than the sum of its proper divisors (98380318).

131173748 is a wasteful number, since it uses less digits than its factorization.

131173748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32793441 (or 32793439 counting only the distinct ones).

The product of its digits is 14112, while the sum is 35.

The square root of 131173748 is about 11453.1108437839. The cubic root of 131173748 is about 508.0997437806.

The spelling of 131173748 in words is "one hundred thirty-one million, one hundred seventy-three thousand, seven hundred forty-eight".