135374443 has 2 divisors, whose sum is σ = 135374444. Its totient is φ = 135374442.

The previous prime is 135374423. The next prime is 135374467. The reversal of 135374443 is 344473531.

It is a weak prime.

It is an emirp because it is prime and its reverse (344473531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135374443 - 2¹⁷ = 135243371 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135374399 and 135374408.

It is not a weakly prime, because it can be changed into another prime (135374423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67687221 + 67687222.

It is an arithmetic number, because the mean of its divisors is an integer number (67687222).

Almost surely, 2^135374443 is an apocalyptic number.

135374443 is a deficient number, since it is larger than the sum of its proper divisors (1).

135374443 is an equidigital number, since it uses as much as digits as its factorization.

135374443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 34.

The square root of 135374443 is about 11635.0523419536. The cubic root of 135374443 is about 513.4666339695.

The spelling of 135374443 in words is "one hundred thirty-five million, three hundred seventy-four thousand, four hundred forty-three".