131125734 has 24 divisors (see below), whose sum is σ = 285699960. Its totient is φ = 43463328.

The previous prime is 131125727. The next prime is 131125741. The reversal of 131125734 is 437521131.

It is an interprime number because it is at equal distance from previous prime (131125727) and next prime (131125741).

It is a junction number, because it is equal to n+sod(n) for n = 131125698 and 131125707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17127 + ... + 23570.

It is an arithmetic number, because the mean of its divisors is an integer number (11904165).

Almost surely, 2^131125734 is an apocalyptic number.

131125734 is an abundant number, since it is smaller than the sum of its proper divisors (154574226).

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

131125734 is a wasteful number, since it uses less digits than its factorization.

131125734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40884 (or 40881 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 131125734 is about 11451.0145402056. The cubic root of 131125734 is about 508.0377423546.

Adding to 131125734 its reverse (437521131), we get a palindrome (568646865).

The spelling of 131125734 in words is "one hundred thirty-one million, one hundred twenty-five thousand, seven hundred thirty-four".