108137429 has 2 divisors, whose sum is σ = 108137430. Its totient is φ = 108137428.

The previous prime is 108137399. The next prime is 108137441. The reversal of 108137429 is 924731801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62884900 + 45252529 = 7930^2 + 6727^2 .

It is a cyclic number.

It is not a de Polignac number, because 108137429 - 2²⁰ = 107088853 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108137479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54068714 + 54068715.

It is an arithmetic number, because the mean of its divisors is an integer number (54068715).

Almost surely, 2^108137429 is an apocalyptic number.

It is an amenable number.

108137429 is a deficient number, since it is larger than the sum of its proper divisors (1).

108137429 is an equidigital number, since it uses as much as digits as its factorization.

108137429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 108137429 is about 10398.9147991509. The cubic root of 108137429 is about 476.4222252860.

The spelling of 108137429 in words is "one hundred eight million, one hundred thirty-seven thousand, four hundred twenty-nine".