135703969 has 2 divisors, whose sum is σ = 135703970. Its totient is φ = 135703968.

The previous prime is 135703943. The next prime is 135703987. The reversal of 135703969 is 969307531.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135489600 + 214369 = 11640^2 + 463^2 .

It is an emirp because it is prime and its reverse (969307531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135703969 - 2⁵ = 135703937 is a prime.

It is a super-2 number, since 2×135703969² = 36831134404705922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (135703069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67851984 + 67851985.

It is an arithmetic number, because the mean of its divisors is an integer number (67851985).

Almost surely, 2^135703969 is an apocalyptic number.

It is an amenable number.

135703969 is a deficient number, since it is larger than the sum of its proper divisors (1).

135703969 is an equidigital number, since it uses as much as digits as its factorization.

135703969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 153090, while the sum is 43.

The square root of 135703969 is about 11649.2046509622. The cubic root of 135703969 is about 513.8829200850.

The spelling of 135703969 in words is "one hundred thirty-five million, seven hundred three thousand, nine hundred sixty-nine".