134477057839 has 4 divisors (see below), whose sum is σ = 142387473024. Its totient is φ = 126566642656.

The previous prime is 134477057801. The next prime is 134477057893. The reversal of 134477057839 is 938750774431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 938750774431 = 1801 ⋅521238631.

It is a cyclic number.

It is not a de Polignac number, because 134477057839 - 2⁹ = 134477057327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134477087839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3955207567 + ... + 3955207600.

It is an arithmetic number, because the mean of its divisors is an integer number (35596868256).

Almost surely, 2^134477057839 is an apocalyptic number.

134477057839 is a deficient number, since it is larger than the sum of its proper divisors (7910415185).

134477057839 is an equidigital number, since it uses as much as digits as its factorization.

134477057839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7910415184.

The product of its (nonzero) digits is 17781120, while the sum is 58.

The spelling of 134477057839 in words is "one hundred thirty-four billion, four hundred seventy-seven million, fifty-seven thousand, eight hundred thirty-nine".