131011740 has 36 divisors (see below), whose sum is σ = 397402824. Its totient is φ = 34936416.

The previous prime is 131011723. The next prime is 131011747. The reversal of 131011740 is 47110131.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131011747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 363742 + ... + 364101.

Almost surely, 2^131011740 is an apocalyptic number.

131011740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131011740 is an abundant number, since it is smaller than the sum of its proper divisors (266391084).

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

131011740 is a wasteful number, since it uses less digits than its factorization.

131011740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727858 (or 727853 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 131011740 is about 11446.0359950509. The cubic root of 131011740 is about 507.8904790041.

Adding to 131011740 its reverse (47110131), we get a palindrome (178121871).

It can be divided in two parts, 13101 and 1740, that added together give a palindrome (14841).

The spelling of 131011740 in words is "one hundred thirty-one million, eleven thousand, seven hundred forty".