109342157 has 2 divisors, whose sum is σ = 109342158. Its totient is φ = 109342156.

The previous prime is 109342133. The next prime is 109342159. The reversal of 109342157 is 751243901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102191881 + 7150276 = 10109^2 + 2674^2 .

It is a cyclic number.

It is not a de Polignac number, because 109342157 - 2¹⁴ = 109325773 is a prime.

Together with 109342159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109342159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54671078 + 54671079.

It is an arithmetic number, because the mean of its divisors is an integer number (54671079).

Almost surely, 2^109342157 is an apocalyptic number.

It is an amenable number.

109342157 is a deficient number, since it is larger than the sum of its proper divisors (1).

109342157 is an equidigital number, since it uses as much as digits as its factorization.

109342157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 109342157 is about 10456.6800180554. The cubic root of 109342157 is about 478.1849231686.

The spelling of 109342157 in words is "one hundred nine million, three hundred forty-two thousand, one hundred fifty-seven".