131094842 has 8 divisors (see below), whose sum is σ = 197458932. Its totient is φ = 65275200.

The previous prime is 131094841. The next prime is 131094853. The reversal of 131094842 is 248490131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 118570321 + 12524521 = 10889^2 + 3539^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 131094799 and 131094808.

It is not an unprimeable number, because it can be changed into a prime (131094841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135509 + ... + 136472.

Almost surely, 2^131094842 is an apocalyptic number.

131094842 is a deficient number, since it is larger than the sum of its proper divisors (66364090).

131094842 is a wasteful number, since it uses less digits than its factorization.

131094842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272224.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 131094842 is about 11449.6655846361. The cubic root of 131094842 is about 507.9978429032.

The spelling of 131094842 in words is "one hundred thirty-one million, ninety-four thousand, eight hundred forty-two".