135422737 has 2 divisors, whose sum is σ = 135422738. Its totient is φ = 135422736.

The previous prime is 135422723. The next prime is 135422741. The reversal of 135422737 is 737224531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125462401 + 9960336 = 11201^2 + 3156^2 .

It is an emirp because it is prime and its reverse (737224531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135422737 is a prime.

It is not a weakly prime, because it can be changed into another prime (135422797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67711368 + 67711369.

It is an arithmetic number, because the mean of its divisors is an integer number (67711369).

Almost surely, 2^135422737 is an apocalyptic number.

It is an amenable number.

135422737 is a deficient number, since it is larger than the sum of its proper divisors (1).

135422737 is an equidigital number, since it uses as much as digits as its factorization.

135422737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 34.

The square root of 135422737 is about 11637.1275235773. The cubic root of 135422737 is about 513.5276853981.

The spelling of 135422737 in words is "one hundred thirty-five million, four hundred twenty-two thousand, seven hundred thirty-seven".