131348399 has 8 divisors (see below), whose sum is σ = 161659680. Its totient is φ = 103923936.

The previous prime is 131348317. The next prime is 131348401. The reversal of 131348399 is 993843131.

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 131348399 - 2⁸ = 131348143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131348309) 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, 721604 + ... + 721785.

It is an arithmetic number, because the mean of its divisors is an integer number (20207460).

Almost surely, 2^131348399 is an apocalyptic number.

131348399 is a deficient number, since it is larger than the sum of its proper divisors (30311281).

131348399 is a wasteful number, since it uses less digits than its factorization.

131348399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443409.

The product of its digits is 69984, while the sum is 41.

The square root of 131348399 is about 11460.7329172265. The cubic root of 131348399 is about 508.3251465372.

The spelling of 131348399 in words is "one hundred thirty-one million, three hundred forty-eight thousand, three hundred ninety-nine".