131025704 has 16 divisors (see below), whose sum is σ = 247468500. Its totient is φ = 65034112.

The previous prime is 131025701. The next prime is 131025731. The reversal of 131025704 is 407520131.

It can be written as a sum of positive squares in 2 ways, for example, as 130005604 + 1020100 = 11402^2 + 1010^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 131025704.

It is not an unprimeable number, because it can be changed into a prime (131025701) 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, 58679 + ... + 60870.

Almost surely, 2^131025704 is an apocalyptic number.

It is an amenable number.

131025704 is a deficient number, since it is larger than the sum of its proper divisors (116442796).

131025704 is a wasteful number, since it uses less digits than its factorization.

131025704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119692 (or 119688 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 131025704 is about 11446.6459716373. The cubic root of 131025704 is about 507.9085230122.

Adding to 131025704 its reverse (407520131), we get a palindrome (538545835).

The spelling of 131025704 in words is "one hundred thirty-one million, twenty-five thousand, seven hundred four".