131340135 has 8 divisors (see below), whose sum is σ = 210144240. Its totient is φ = 70048064.

The previous prime is 131340109. The next prime is 131340151. The reversal of 131340135 is 531043131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131340135 - 2⁶ = 131340071 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4377990 + ... + 4378019.

It is an arithmetic number, because the mean of its divisors is an integer number (26268030).

Almost surely, 2^131340135 is an apocalyptic number.

131340135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131340135 is a deficient number, since it is larger than the sum of its proper divisors (78804105).

131340135 is an equidigital number, since it uses as much as digits as its factorization.

131340135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8756017.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 131340135 is about 11460.3723761490. The cubic root of 131340135 is about 508.3144856101.

Adding to 131340135 its reverse (531043131), we get a palindrome (662383266).

The spelling of 131340135 in words is "one hundred thirty-one million, three hundred forty thousand, one hundred thirty-five".