131134740 has 48 divisors (see below), whose sum is σ = 400559040. Its totient is φ = 31790080.

The previous prime is 131134733. The next prime is 131134763. The reversal of 131134740 is 47431131.

It is a self number, because there is not a number n which added to its sum of digits gives 131134740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98685 + ... + 100004.

It is an arithmetic number, because the mean of its divisors is an integer number (8344980).

Almost surely, 2^131134740 is an apocalyptic number.

131134740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131134740 is an abundant number, since it is smaller than the sum of its proper divisors (269424300).

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

131134740 is a wasteful number, since it uses less digits than its factorization.

131134740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198712 (or 198710 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 131134740 is about 11451.4077737194. The cubic root of 131134740 is about 508.0493731333.

Adding to 131134740 its reverse (47431131), we get a palindrome (178565871).

The spelling of 131134740 in words is "one hundred thirty-one million, one hundred thirty-four thousand, seven hundred forty".