135670511 has 4 divisors (see below), whose sum is σ = 137695512. Its totient is φ = 133645512.

The previous prime is 135670499. The next prime is 135670597. The reversal of 135670511 is 115076531.

135670511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 115076531 = 311 ⋅370021.

It is a cyclic number.

It is not a de Polignac number, because 135670511 - 2¹⁸ = 135408367 is a prime.

It is a super-2 number, since 2×135670511² = 36812975110002242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135670111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1012400 + ... + 1012533.

It is an arithmetic number, because the mean of its divisors is an integer number (34423878).

Almost surely, 2^135670511 is an apocalyptic number.

135670511 is a deficient number, since it is larger than the sum of its proper divisors (2025001).

135670511 is an equidigital number, since it uses as much as digits as its factorization.

135670511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025000.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 135670511 is about 11647.7684987297. The cubic root of 135670511 is about 513.8406837670.

The spelling of 135670511 in words is "one hundred thirty-five million, six hundred seventy thousand, five hundred eleven".