131748612 has 12 divisors (see below), whose sum is σ = 307413456. Its totient is φ = 43916200.

The previous prime is 131748607. The next prime is 131748629. The reversal of 131748612 is 216847131.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5489514 + ... + 5489537.

It is an arithmetic number, because the mean of its divisors is an integer number (25617788).

Almost surely, 2^131748612 is an apocalyptic number.

131748612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131748612 is an abundant number, since it is smaller than the sum of its proper divisors (175664844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131748612 is a wasteful number, since it uses less digits than its factorization.

131748612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10979058 (or 10979056 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 131748612 is about 11478.1798208601. The cubic root of 131748612 is about 508.8409047797.

The spelling of 131748612 in words is "one hundred thirty-one million, seven hundred forty-eight thousand, six hundred twelve".