131140268 has 36 divisors (see below), whose sum is σ = 267649200. Its totient is φ = 56058912.

The previous prime is 131140259. The next prime is 131140271. The reversal of 131140268 is 862041131.

It is a super-2 number, since 2×131140268² = 34395539782223648, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116846 + ... + 117962.

It is an arithmetic number, because the mean of its divisors is an integer number (7434700).

Almost surely, 2^131140268 is an apocalyptic number.

It is an amenable number.

131140268 is an abundant number, since it is smaller than the sum of its proper divisors (136508932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131140268 is a wasteful number, since it uses less digits than its factorization.

131140268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734 (or 1725 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 131140268 is about 11451.6491388795. The cubic root of 131140268 is about 508.0565119928.

Adding to 131140268 its reverse (862041131), we get a palindrome (993181399).

The spelling of 131140268 in words is "one hundred thirty-one million, one hundred forty thousand, two hundred sixty-eight".