131923936 has 12 divisors (see below), whose sum is σ = 259725312. Its totient is φ = 65961952.

The previous prime is 131923933. The next prime is 131923949. The reversal of 131923936 is 639329131.

It is a junction number, because it is equal to n+sod(n) for n = 131923895 and 131923904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131923931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2061280 + ... + 2061343.

It is an arithmetic number, because the mean of its divisors is an integer number (21643776).

Almost surely, 2^131923936 is an apocalyptic number.

131923936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

131923936 is a deficient number, since it is larger than the sum of its proper divisors (127801376).

131923936 is an equidigital number, since it uses as much as digits as its factorization.

131923936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4122633 (or 4122625 counting only the distinct ones).

The product of its digits is 26244, while the sum is 37.

The square root of 131923936 is about 11485.8145553548. The cubic root of 131923936 is about 509.0665174770.

The spelling of 131923936 in words is "one hundred thirty-one million, nine hundred twenty-three thousand, nine hundred thirty-six".