135207417 has 4 divisors (see below), whose sum is σ = 180276560. Its totient is φ = 90138276.

The previous prime is 135207403. The next prime is 135207419. The reversal of 135207417 is 714702531.

135207417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 135207417 - 2¹⁵ = 135174649 is a prime.

It is a super-2 number, since 2×135207417² = 36562091223623778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135207419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22534567 + ... + 22534572.

It is an arithmetic number, because the mean of its divisors is an integer number (45069140).

Almost surely, 2^135207417 is an apocalyptic number.

It is an amenable number.

135207417 is a deficient number, since it is larger than the sum of its proper divisors (45069143).

135207417 is an equidigital number, since it uses as much as digits as its factorization.

135207417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45069142.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 135207417 is about 11627.8724193207. The cubic root of 135207417 is about 513.2553740702.

Adding to 135207417 its reverse (714702531), we get a palindrome (849909948).

The spelling of 135207417 in words is "one hundred thirty-five million, two hundred seven thousand, four hundred seventeen".