110402639 has 2 divisors, whose sum is σ = 110402640. Its totient is φ = 110402638.

The previous prime is 110402569. The next prime is 110402659. The reversal of 110402639 is 936204011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110402639 is a prime.

It is a Chen prime.

It is equal to p_6324902 and since 110402639 and 6324902 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110402659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55201319 + 55201320.

It is an arithmetic number, because the mean of its divisors is an integer number (55201320).

Almost surely, 2^110402639 is an apocalyptic number.

110402639 is a deficient number, since it is larger than the sum of its proper divisors (1).

110402639 is an equidigital number, since it uses as much as digits as its factorization.

110402639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 110402639 is about 10507.2660097668. The cubic root of 110402639 is about 479.7258837086.

The spelling of 110402639 in words is "one hundred ten million, four hundred two thousand, six hundred thirty-nine".