131219152 has 10 divisors (see below), whose sum is σ = 254237138. Its totient is φ = 65609568.

The previous prime is 131219089. The next prime is 131219173. The reversal of 131219152 is 251912131.

It can be written as a sum of positive squares in only one way, i.e., 130965136 + 254016 = 11444^2 + 504^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4100583 + ... + 4100614.

Almost surely, 2^131219152 is an apocalyptic number.

It is an amenable number.

131219152 is a deficient number, since it is larger than the sum of its proper divisors (123017986).

131219152 is an equidigital number, since it uses as much as digits as its factorization.

131219152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8201205 (or 8201199 counting only the distinct ones).

The product of its digits is 540, while the sum is 25.

The square root of 131219152 is about 11455.0928411777. The cubic root of 131219152 is about 508.1583609452.

The spelling of 131219152 in words is "one hundred thirty-one million, two hundred nineteen thousand, one hundred fifty-two".