131349299 has 4 divisors (see below), whose sum is σ = 138262440. Its totient is φ = 124436160.

The previous prime is 131349289. The next prime is 131349307. The reversal of 131349299 is 992943131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 992943131 = 28687 ⋅34613.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131349299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131349209) 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, 3456542 + ... + 3456579.

It is an arithmetic number, because the mean of its divisors is an integer number (34565610).

Almost surely, 2^131349299 is an apocalyptic number.

131349299 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

131349299 is a deficient number, since it is larger than the sum of its proper divisors (6913141).

131349299 is an equidigital number, since it uses as much as digits as its factorization.

131349299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6913140.

The product of its digits is 52488, while the sum is 41.

The square root of 131349299 is about 11460.7721816639. The cubic root of 131349299 is about 508.3263075502.

The spelling of 131349299 in words is "one hundred thirty-one million, three hundred forty-nine thousand, two hundred ninety-nine".