135407407 has 2 divisors, whose sum is σ = 135407408. Its totient is φ = 135407406.

The previous prime is 135407369. The next prime is 135407413. The reversal of 135407407 is 704704531.

It is a strong prime.

It is an emirp because it is prime and its reverse (704704531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135407407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135407477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67703703 + 67703704.

It is an arithmetic number, because the mean of its divisors is an integer number (67703704).

Almost surely, 2^135407407 is an apocalyptic number.

135407407 is a deficient number, since it is larger than the sum of its proper divisors (1).

135407407 is an equidigital number, since it uses as much as digits as its factorization.

135407407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 135407407 is about 11636.4688372375. The cubic root of 135407407 is about 513.5083073708.

It can be divided in two parts, 135 and 407407, that multiplied together give a palindrome (54999945).

The spelling of 135407407 in words is "one hundred thirty-five million, four hundred seven thousand, four hundred seven".