131365700 has 18 divisors (see below), whose sum is σ = 285063786. Its totient is φ = 52546240.

The previous prime is 131365697. The next prime is 131365709. The reversal of 131365700 is 7563131.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1223236 + 130142464 = 1106^2 + 11408^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 131365700.

It is not an unprimeable number, because it can be changed into a prime (131365709) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 656729 + ... + 656928.

It is an arithmetic number, because the mean of its divisors is an integer number (15836877).

Almost surely, 2^131365700 is an apocalyptic number.

131365700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131365700 is an abundant number, since it is smaller than the sum of its proper divisors (153698086).

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

131365700 is a wasteful number, since it uses less digits than its factorization.

131365700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313671 (or 1313664 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 131365700 is about 11461.4876870326. The cubic root of 131365700 is about 508.3474641478.

The spelling of 131365700 in words is "one hundred thirty-one million, three hundred sixty-five thousand, seven hundred".