131381548 has 12 divisors (see below), whose sum is σ = 235525752. Its totient is φ = 64088480.

The previous prime is 131381539. The next prime is 131381567. The reversal of 131381548 is 845183131.

It is a happy number.

It is a super-2 number, since 2×131381548² = 34522222309752608, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400390 + ... + 400717.

It is an arithmetic number, because the mean of its divisors is an integer number (19627146).

Almost surely, 2^131381548 is an apocalyptic number.

It is an amenable number.

131381548 is a deficient number, since it is larger than the sum of its proper divisors (104144204).

131381548 is a wasteful number, since it uses less digits than its factorization.

131381548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801152 (or 801150 counting only the distinct ones).

The product of its digits is 11520, while the sum is 34.

The square root of 131381548 is about 11462.1790249498. The cubic root of 131381548 is about 508.3679057259.

The spelling of 131381548 in words is "one hundred thirty-one million, three hundred eighty-one thousand, five hundred forty-eight".