134020441 has 2 divisors, whose sum is σ = 134020442. Its totient is φ = 134020440.

The previous prime is 134020429. The next prime is 134020457. The reversal of 134020441 is 144020431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69555600 + 64464841 = 8340^2 + 8029^2 .

It is an emirp because it is prime and its reverse (144020431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134020441 is a prime.

It is a super-2 number, since 2×134020441² = 35922957211668962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (134020541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67010220 + 67010221.

It is an arithmetic number, because the mean of its divisors is an integer number (67010221).

Almost surely, 2^134020441 is an apocalyptic number.

It is an amenable number.

134020441 is a deficient number, since it is larger than the sum of its proper divisors (1).

134020441 is an equidigital number, since it uses as much as digits as its factorization.

134020441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 134020441 is about 11576.7197858461. The cubic root of 134020441 is about 511.7490135915.

Adding to 134020441 its reverse (144020431), we get a palindrome (278040872).

The spelling of 134020441 in words is "one hundred thirty-four million, twenty thousand, four hundred forty-one".