134447784 has 32 divisors (see below), whose sum is σ = 341820000. Its totient is φ = 44055872.

The previous prime is 134447771. The next prime is 134447791. The reversal of 134447784 is 487744431.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46059 + ... + 48890.

It is an arithmetic number, because the mean of its divisors is an integer number (10681875).

Almost surely, 2^134447784 is an apocalyptic number.

It is an amenable number.

134447784 is an abundant number, since it is smaller than the sum of its proper divisors (207372216).

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

134447784 is a wasteful number, since it uses less digits than its factorization.

134447784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95017 (or 95013 counting only the distinct ones).

The product of its digits is 301056, while the sum is 42.

The square root of 134447784 is about 11595.1620945979. The cubic root of 134447784 is about 512.2923643525.

The spelling of 134447784 in words is "one hundred thirty-four million, four hundred forty-seven thousand, seven hundred eighty-four".