131667613 has 8 divisors (see below), whose sum is σ = 164157120. Its totient is φ = 102598080.

The previous prime is 131667607. The next prime is 131667619. The reversal of 131667613 is 316766131.

It is an interprime number because it is at equal distance from previous prime (131667607) and next prime (131667619).

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 131667613 - 2⁹ = 131667101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131667619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 854908 + ... + 855061.

It is an arithmetic number, because the mean of its divisors is an integer number (20519640).

Almost surely, 2^131667613 is an apocalyptic number.

It is an amenable number.

131667613 is a deficient number, since it is larger than the sum of its proper divisors (32489507).

131667613 is a wasteful number, since it uses less digits than its factorization.

131667613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709987.

The product of its digits is 13608, while the sum is 34.

The square root of 131667613 is about 11474.6508879355. The cubic root of 131667613 is about 508.7366049996.

The spelling of 131667613 in words is "one hundred thirty-one million, six hundred sixty-seven thousand, six hundred thirteen".