134038081 has 4 divisors (see below), whose sum is σ = 141922692. Its totient is φ = 126153472.

The previous prime is 134038057. The next prime is 134038109. The reversal of 134038081 is 180830431.

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

It can be written as a sum of positive squares in 2 ways, for example, as 42185025 + 91853056 = 6495^2 + 9584^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134038081 is a prime.

It is a super-2 number, since 2×134038081² = 35932414316325122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134038381) 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, 3942280 + ... + 3942313.

It is an arithmetic number, because the mean of its divisors is an integer number (35480673).

Almost surely, 2^134038081 is an apocalyptic number.

It is an amenable number.

134038081 is a deficient number, since it is larger than the sum of its proper divisors (7884611).

134038081 is an equidigital number, since it uses as much as digits as its factorization.

134038081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7884610.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 134038081 is about 11577.4816346216. The cubic root of 134038081 is about 511.7714650337.

The spelling of 134038081 in words is "one hundred thirty-four million, thirty-eight thousand, eighty-one".