131952136 has 8 divisors (see below), whose sum is σ = 247410270. Its totient is φ = 65976064.

The previous prime is 131952109. The next prime is 131952137. The reversal of 131952136 is 631259131.

It is a happy number.

131952136 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 122988100 + 8964036 = 11090^2 + 2994^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×131952136² = 34822732389924992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131952098 and 131952107.

It is not an unprimeable number, because it can be changed into a prime (131952137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8247001 + ... + 8247016.

Almost surely, 2^131952136 is an apocalyptic number.

It is an amenable number.

131952136 is a deficient number, since it is larger than the sum of its proper divisors (115458134).

131952136 is a wasteful number, since it uses less digits than its factorization.

131952136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16494023 (or 16494019 counting only the distinct ones).

The product of its digits is 4860, while the sum is 31.

The square root of 131952136 is about 11487.0420909823. The cubic root of 131952136 is about 509.1027875011.

The spelling of 131952136 in words is "one hundred thirty-one million, nine hundred fifty-two thousand, one hundred thirty-six".