109156739 has 2 divisors, whose sum is σ = 109156740. Its totient is φ = 109156738.

The previous prime is 109156727. The next prime is 109156753. The reversal of 109156739 is 937651901.

It is a weak prime.

It is an emirp because it is prime and its reverse (937651901) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109156739 is a prime.

It is a super-2 number, since 2×109156739² = 23830387338228242, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 109156696 and 109156705.

It is not a weakly prime, because it can be changed into another prime (109156709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54578369 + 54578370.

It is an arithmetic number, because the mean of its divisors is an integer number (54578370).

Almost surely, 2^109156739 is an apocalyptic number.

109156739 is a deficient number, since it is larger than the sum of its proper divisors (1).

109156739 is an equidigital number, since it uses as much as digits as its factorization.

109156739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51030, while the sum is 41.

The square root of 109156739 is about 10447.8102490426. The cubic root of 109156739 is about 477.9144746992.

The spelling of 109156739 in words is "one hundred nine million, one hundred fifty-six thousand, seven hundred thirty-nine".