131261276 has 12 divisors (see below), whose sum is σ = 239694672. Its totient is φ = 62777088.

The previous prime is 131261257. The next prime is 131261309. The reversal of 131261276 is 672162131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713285 + ... + 713468.

It is an arithmetic number, because the mean of its divisors is an integer number (19974556).

Almost surely, 2^131261276 is an apocalyptic number.

It is an amenable number.

131261276 is a deficient number, since it is larger than the sum of its proper divisors (108433396).

131261276 is a wasteful number, since it uses less digits than its factorization.

131261276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426780 (or 1426778 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 131261276 is about 11456.9313518062. The cubic root of 131261276 is about 508.2127314958.

The spelling of 131261276 in words is "one hundred thirty-one million, two hundred sixty-one thousand, two hundred seventy-six".