135771654 has 16 divisors (see below), whose sum is σ = 271661040. Its totient is φ = 45237600.

The previous prime is 135771653. The next prime is 135771689. The reversal of 135771654 is 456177531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135771653) 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, 19204 + ... + 25304.

It is an arithmetic number, because the mean of its divisors is an integer number (16978815).

Almost surely, 2^135771654 is an apocalyptic number.

135771654 is an abundant number, since it is smaller than the sum of its proper divisors (135889386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135771654 is a wasteful number, since it uses less digits than its factorization.

135771654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9815.

The product of its digits is 88200, while the sum is 39.

The square root of 135771654 is about 11652.1094227612. The cubic root of 135771654 is about 513.9683422593.

The spelling of 135771654 in words is "one hundred thirty-five million, seven hundred seventy-one thousand, six hundred fifty-four".