135761266 has 4 divisors (see below), whose sum is σ = 203641902. Its totient is φ = 67880632.

The previous prime is 135761243. The next prime is 135761281. The reversal of 135761266 is 662167531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 662167531 = 53 ⋅12493727.

It can be written as a sum of positive squares in only one way, i.e., 124970041 + 10791225 = 11179^2 + 3285^2 .

It is a super-2 number, since 2×135761266² = 36862242691845512, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33940315 + ... + 33940318.

Almost surely, 2^135761266 is an apocalyptic number.

135761266 is a deficient number, since it is larger than the sum of its proper divisors (67880636).

135761266 is an equidigital number, since it uses as much as digits as its factorization.

135761266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67880635.

The product of its digits is 45360, while the sum is 37.

The square root of 135761266 is about 11651.6636580361. The cubic root of 135761266 is about 513.9552338793.

The spelling of 135761266 in words is "one hundred thirty-five million, seven hundred sixty-one thousand, two hundred sixty-six".