134639756 has 6 divisors (see below), whose sum is σ = 235619580. Its totient is φ = 67319876.

The previous prime is 134639753. The next prime is 134639803. The reversal of 134639756 is 657936431.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (134639753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16829966 + ... + 16829973.

It is an arithmetic number, because the mean of its divisors is an integer number (39269930).

Almost surely, 2^134639756 is an apocalyptic number.

It is an amenable number.

134639756 is a deficient number, since it is larger than the sum of its proper divisors (100979824).

134639756 is a wasteful number, since it uses less digits than its factorization.

134639756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33659943 (or 33659941 counting only the distinct ones).

The product of its digits is 408240, while the sum is 44.

The square root of 134639756 is about 11603.4372493671. The cubic root of 134639756 is about 512.5360748749.

The spelling of 134639756 in words is "one hundred thirty-four million, six hundred thirty-nine thousand, seven hundred fifty-six".