110521139 has 2 divisors, whose sum is σ = 110521140. Its totient is φ = 110521138.

The previous prime is 110521133. The next prime is 110521153. The reversal of 110521139 is 931125011.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110521139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (110521133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55260569 + 55260570.

It is an arithmetic number, because the mean of its divisors is an integer number (55260570).

Almost surely, 2^110521139 is an apocalyptic number.

110521139 is a deficient number, since it is larger than the sum of its proper divisors (1).

110521139 is an equidigital number, since it uses as much as digits as its factorization.

110521139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 23.

The square root of 110521139 is about 10512.9034524245. The cubic root of 110521139 is about 479.8974592883.

The spelling of 110521139 in words is "one hundred ten million, five hundred twenty-one thousand, one hundred thirty-nine".