135403786 has 16 divisors (see below), whose sum is σ = 232303680. Its totient is φ = 57984480.

The previous prime is 135403781. The next prime is 135403789. The reversal of 135403786 is 687304531.

It is not an unprimeable number, because it can be changed into a prime (135403781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19521 + ... + 25531.

It is an arithmetic number, because the mean of its divisors is an integer number (14518980).

Almost surely, 2^135403786 is an apocalyptic number.

135403786 is a deficient number, since it is larger than the sum of its proper divisors (96899894).

135403786 is a wasteful number, since it uses less digits than its factorization.

135403786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7629.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 135403786 is about 11636.3132477602. The cubic root of 135403786 is about 513.5037299990.

The spelling of 135403786 in words is "one hundred thirty-five million, four hundred three thousand, seven hundred eighty-six".