131672039 has 4 divisors (see below), whose sum is σ = 131695080. Its totient is φ = 131649000.

The previous prime is 131672027. The next prime is 131672041. The reversal of 131672039 is 930276131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 930276131 = 25793 ⋅36067.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131672039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131671996 and 131672014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131672069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4232 + ... + 16770.

It is an arithmetic number, because the mean of its divisors is an integer number (32923770).

Almost surely, 2^131672039 is an apocalyptic number.

131672039 is a deficient number, since it is larger than the sum of its proper divisors (23041).

131672039 is a wasteful number, since it uses less digits than its factorization.

131672039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23040.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 131672039 is about 11474.8437462128. The cubic root of 131672039 is about 508.7423053206.

The spelling of 131672039 in words is "one hundred thirty-one million, six hundred seventy-two thousand, thirty-nine".