131485936 has 10 divisors (see below), whose sum is σ = 254754032. Its totient is φ = 65742960.

The previous prime is 131485933. The next prime is 131485943. The reversal of 131485936 is 639584131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131485933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4108920 + ... + 4108951.

Almost surely, 2^131485936 is an apocalyptic number.

131485936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

131485936 is a deficient number, since it is larger than the sum of its proper divisors (123268096).

131485936 is an equidigital number, since it uses as much as digits as its factorization.

131485936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8217879 (or 8217873 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 131485936 is about 11466.7317052419. The cubic root of 131485936 is about 508.5025097632.

The spelling of 131485936 in words is "one hundred thirty-one million, four hundred eighty-five thousand, nine hundred thirty-six".