134044381 has 2 divisors, whose sum is σ = 134044382. Its totient is φ = 134044380.

The previous prime is 134044369. The next prime is 134044447. The reversal of 134044381 is 183440431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124121881 + 9922500 = 11141^2 + 3150^2 .

It is a cyclic number.

It is not a de Polignac number, because 134044381 - 2¹¹ = 134042333 is a prime.

It is a super-2 number, since 2×134044381² = 35935792155346322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134044301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67022190 + 67022191.

It is an arithmetic number, because the mean of its divisors is an integer number (67022191).

Almost surely, 2^134044381 is an apocalyptic number.

It is an amenable number.

134044381 is a deficient number, since it is larger than the sum of its proper divisors (1).

134044381 is an equidigital number, since it uses as much as digits as its factorization.

134044381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 134044381 is about 11577.7537113207. The cubic root of 134044381 is about 511.7794829285.

The spelling of 134044381 in words is "one hundred thirty-four million, forty-four thousand, three hundred eighty-one".