131240734 has 8 divisors (see below), whose sum is σ = 197794728. Its totient is φ = 65309160.

The previous prime is 131240723. The next prime is 131240761. The reversal of 131240734 is 437042131.

131240734 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 = 131240699 and 131240708.

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, 155077 + ... + 155920.

It is an arithmetic number, because the mean of its divisors is an integer number (24724341).

Almost surely, 2^131240734 is an apocalyptic number.

131240734 is a deficient number, since it is larger than the sum of its proper divisors (66553994).

131240734 is a wasteful number, since it uses less digits than its factorization.

131240734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311210.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 131240734 is about 11456.0348288577. The cubic root of 131240734 is about 508.1862188515.

Adding to 131240734 its reverse (437042131), we get a palindrome (568282865).

The spelling of 131240734 in words is "one hundred thirty-one million, two hundred forty thousand, seven hundred thirty-four".