134287636 has 18 divisors (see below), whose sum is σ = 273371658. Its totient is φ = 57551760.

The previous prime is 134287627. The next prime is 134287651. The reversal of 134287636 is 636782431.

It can be written as a sum of positive squares in only one way, i.e., 74132100 + 60155536 = 8610^2 + 7756^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 342375 + ... + 342766.

Almost surely, 2^134287636 is an apocalyptic number.

It is an amenable number.

134287636 is an abundant number, since it is smaller than the sum of its proper divisors (139084022).

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

134287636 is a wasteful number, since it uses less digits than its factorization.

134287636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685159 (or 685150 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 134287636 is about 11588.2542257236. The cubic root of 134287636 is about 512.0888771899.

The spelling of 134287636 in words is "one hundred thirty-four million, two hundred eighty-seven thousand, six hundred thirty-six".