135396767 has 4 divisors (see below), whose sum is σ = 147705576. Its totient is φ = 123087960.

The previous prime is 135396763. The next prime is 135396773. The reversal of 135396767 is 767693531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135396767 - 2² = 135396763 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135396763) 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, 6154388 + ... + 6154409.

It is an arithmetic number, because the mean of its divisors is an integer number (36926394).

Almost surely, 2^135396767 is an apocalyptic number.

135396767 is a deficient number, since it is larger than the sum of its proper divisors (12308809).

135396767 is a wasteful number, since it uses less digits than its factorization.

135396767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12308808.

The product of its digits is 714420, while the sum is 47.

The square root of 135396767 is about 11636.0116448893. The cubic root of 135396767 is about 513.4948569212.

The spelling of 135396767 in words is "one hundred thirty-five million, three hundred ninety-six thousand, seven hundred sixty-seven".