134639051 has 4 divisors (see below), whose sum is σ = 134745600. Its totient is φ = 134532504.

The previous prime is 134639023. The next prime is 134639069. The reversal of 134639051 is 150936431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134639051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134638999 and 134639017.

It is not an unprimeable number, because it can be changed into a prime (134659051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51356 + ... + 53913.

It is an arithmetic number, because the mean of its divisors is an integer number (33686400).

Almost surely, 2^134639051 is an apocalyptic number.

134639051 is a deficient number, since it is larger than the sum of its proper divisors (106549).

134639051 is a wasteful number, since it uses less digits than its factorization.

134639051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106548.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 134639051 is about 11603.4068703980. The cubic root of 134639051 is about 512.5351802937.

The spelling of 134639051 in words is "one hundred thirty-four million, six hundred thirty-nine thousand, fifty-one".