109132399 has 2 divisors, whose sum is σ = 109132400. Its totient is φ = 109132398.

The previous prime is 109132363. The next prime is 109132411. The reversal of 109132399 is 993231901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 109132399 - 2¹⁵ = 109099631 is a prime.

It is a super-2 number, since 2×109132399² = 23819761022990402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109132319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54566199 + 54566200.

It is an arithmetic number, because the mean of its divisors is an integer number (54566200).

Almost surely, 2^109132399 is an apocalyptic number.

109132399 is a deficient number, since it is larger than the sum of its proper divisors (1).

109132399 is an equidigital number, since it uses as much as digits as its factorization.

109132399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13122, while the sum is 37.

The square root of 109132399 is about 10446.6453467130. The cubic root of 109132399 is about 477.8789499326.

The spelling of 109132399 in words is "one hundred nine million, one hundred thirty-two thousand, three hundred ninety-nine".