78135119 has 2 divisors, whose sum is σ = 78135120. Its totient is φ = 78135118.

The previous prime is 78135089. The next prime is 78135143. The reversal of 78135119 is 91153187.

It is a strong prime.

It is an emirp because it is prime and its reverse (91153187) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78135119 - 2⁸ = 78134863 is a prime.

It is a super-2 number, since 2×78135119² = 12210193642288322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78135419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39067559 + 39067560.

It is an arithmetic number, because the mean of its divisors is an integer number (39067560).

Almost surely, 2^78135119 is an apocalyptic number.

78135119 is a deficient number, since it is larger than the sum of its proper divisors (1).

78135119 is an equidigital number, since it uses as much as digits as its factorization.

78135119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 35.

The square root of 78135119 is about 8839.4071633792. The cubic root of 78135119 is about 427.5124426687.

The spelling of 78135119 in words is "seventy-eight million, one hundred thirty-five thousand, one hundred nineteen".