135407443 has 2 divisors, whose sum is σ = 135407444. Its totient is φ = 135407442.

The previous prime is 135407429. The next prime is 135407453. The reversal of 135407443 is 344704531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135407443 - 2²¹ = 133310291 is a prime.

It is equal to p_7667203 and since 135407443 and 7667203 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (135407413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67703721 + 67703722.

It is an arithmetic number, because the mean of its divisors is an integer number (67703722).

Almost surely, 2^135407443 is an apocalyptic number.

135407443 is a deficient number, since it is larger than the sum of its proper divisors (1).

135407443 is an equidigital number, since it uses as much as digits as its factorization.

135407443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 135407443 is about 11636.4703840984. The cubic root of 135407443 is about 513.5083528787.

The spelling of 135407443 in words is "one hundred thirty-five million, four hundred seven thousand, four hundred forty-three".