134985785 has 24 divisors (see below), whose sum is σ = 187434240. Its totient is φ = 92996640.

The previous prime is 134985761. The next prime is 134985803. The reversal of 134985785 is 587589431.

It is a de Polignac number, because none of the positive numbers 2^k-134985785 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5624 + ... + 17366.

It is an arithmetic number, because the mean of its divisors is an integer number (7809760).

Almost surely, 2^134985785 is an apocalyptic number.

It is an amenable number.

134985785 is a deficient number, since it is larger than the sum of its proper divisors (52448455).

134985785 is a wasteful number, since it uses less digits than its factorization.

134985785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11789 (or 11778 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 50.

The square root of 134985785 is about 11618.3383063156. The cubic root of 134985785 is about 512.9747779576.

The spelling of 134985785 in words is "one hundred thirty-four million, nine hundred eighty-five thousand, seven hundred eighty-five".