131079236 has 6 divisors (see below), whose sum is σ = 229388670. Its totient is φ = 65539616.

The previous prime is 131079227. The next prime is 131079239. The reversal of 131079236 is 632970131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 130188100 + 891136 = 11410^2 + 944^2 .

It is a super-2 number, since 2×131079236² = 34363532220687392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131079239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16384901 + ... + 16384908.

It is an arithmetic number, because the mean of its divisors is an integer number (38231445).

Almost surely, 2^131079236 is an apocalyptic number.

It is an amenable number.

131079236 is a deficient number, since it is larger than the sum of its proper divisors (98309434).

131079236 is a wasteful number, since it uses less digits than its factorization.

131079236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32769813 (or 32769811 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 131079236 is about 11448.9840597321. The cubic root of 131079236 is about 507.9776841417.

The spelling of 131079236 in words is "one hundred thirty-one million, seventy-nine thousand, two hundred thirty-six".