131025004 has 12 divisors (see below), whose sum is σ = 250138728. Its totient is φ = 59556800.

The previous prime is 131024953. The next prime is 131025061. The reversal of 131025004 is 400520131.

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, 1488877 + ... + 1488964.

It is an arithmetic number, because the mean of its divisors is an integer number (20844894).

Almost surely, 2^131025004 is an apocalyptic number.

It is an amenable number.

131025004 is a deficient number, since it is larger than the sum of its proper divisors (119113724).

131025004 is a wasteful number, since it uses less digits than its factorization.

131025004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2977856 (or 2977854 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 131025004 is about 11446.6153949541. The cubic root of 131025004 is about 507.9076185164.

Adding to 131025004 its reverse (400520131), we get a palindrome (531545135).

The spelling of 131025004 in words is "one hundred thirty-one million, twenty-five thousand, four".