135377065 has 4 divisors (see below), whose sum is σ = 162452484. Its totient is φ = 108301648.

The previous prime is 135377059. The next prime is 135377107. The reversal of 135377065 is 560773531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 560773531 = 7369 ⋅76099.

It can be written as a sum of positive squares in 2 ways, for example, as 23609881 + 111767184 = 4859^2 + 10572^2 .

It is a cyclic number.

It is not a de Polignac number, because 135377065 - 2⁷ = 135376937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13537702 + ... + 13537711.

It is an arithmetic number, because the mean of its divisors is an integer number (40613121).

Almost surely, 2^135377065 is an apocalyptic number.

It is an amenable number.

135377065 is a deficient number, since it is larger than the sum of its proper divisors (27075419).

135377065 is an equidigital number, since it uses as much as digits as its factorization.

135377065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27075418.

The product of its (nonzero) digits is 66150, while the sum is 37.

The square root of 135377065 is about 11635.1650181680. The cubic root of 135377065 is about 513.4699489744.

It can be divided in two parts, 1353770 and 65, that added together give a triangular number (1353835 = T₁₆₄₅).

The spelling of 135377065 in words is "one hundred thirty-five million, three hundred seventy-seven thousand, sixty-five".