131415199 has 2 divisors, whose sum is σ = 131415200. Its totient is φ = 131415198.

The previous prime is 131415121. The next prime is 131415233. The reversal of 131415199 is 991514131.

It is an a-pointer prime, because the next prime (131415233) can be obtained adding 131415199 to its sum of digits (34).

It is a strong prime.

It is an emirp because it is prime and its reverse (991514131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131415199 - 2⁹ = 131414687 is a prime.

It is equal to p_7453960 and since 131415199 and 7453960 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131415499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65707599 + 65707600.

It is an arithmetic number, because the mean of its divisors is an integer number (65707600).

Almost surely, 2^131415199 is an apocalyptic number.

131415199 is a deficient number, since it is larger than the sum of its proper divisors (1).

131415199 is an equidigital number, since it uses as much as digits as its factorization.

131415199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4860, while the sum is 34.

The square root of 131415199 is about 11463.6468455723. The cubic root of 131415199 is about 508.4113050929.

The spelling of 131415199 in words is "one hundred thirty-one million, four hundred fifteen thousand, one hundred ninety-nine".