135332779 has 2 divisors, whose sum is σ = 135332780. Its totient is φ = 135332778.

The previous prime is 135332753. The next prime is 135332789. The reversal of 135332779 is 977233531.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (977233531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135332779 - 2⁷ = 135332651 is a prime.

It is a super-2 number, since 2×135332779² = 36629922143725682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (135332719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67666389 + 67666390.

It is an arithmetic number, because the mean of its divisors is an integer number (67666390).

Almost surely, 2^135332779 is an apocalyptic number.

135332779 is a deficient number, since it is larger than the sum of its proper divisors (1).

135332779 is an equidigital number, since it uses as much as digits as its factorization.

135332779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 119070, while the sum is 40.

The square root of 135332779 is about 11633.2617524063. The cubic root of 135332779 is about 513.4139522657.

The spelling of 135332779 in words is "one hundred thirty-five million, three hundred thirty-two thousand, seven hundred seventy-nine".