131563468 has 18 divisors (see below), whose sum is σ = 231697284. Its totient is φ = 65366784.

The previous prime is 131563463. The next prime is 131563507. The reversal of 131563468 is 864365131.

It is a super-3 number, since 3×131563468³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (131563463) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 148555 + ... + 149437.

Almost surely, 2^131563468 is an apocalyptic number.

It is an amenable number.

131563468 is a deficient number, since it is larger than the sum of its proper divisors (100133816).

131563468 is an equidigital number, since it uses as much as digits as its factorization.

131563468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273 (or 1078 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 131563468 is about 11470.1119436560. Note that the first 3 decimals coincide. The cubic root of 131563468 is about 508.6024379917.

The spelling of 131563468 in words is "one hundred thirty-one million, five hundred sixty-three thousand, four hundred sixty-eight".