135389417 has 4 divisors (see below), whose sum is σ = 136423056. Its totient is φ = 134355780.

The previous prime is 135389407. The next prime is 135389447. The reversal of 135389417 is 714983531.

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, and also an emirpimes, since its reverse is a distinct semiprime: 714983531 = 24413 ⋅29287.

It is a cyclic number.

It is not a de Polignac number, because 135389417 - 2¹⁴ = 135373033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135389407) 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 in 3 ways as a sum of consecutive naturals, for example, 516623 + ... + 516884.

It is an arithmetic number, because the mean of its divisors is an integer number (34105764).

Almost surely, 2^135389417 is an apocalyptic number.

It is an amenable number.

135389417 is a deficient number, since it is larger than the sum of its proper divisors (1033639).

135389417 is a wasteful number, since it uses less digits than its factorization.

135389417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033638.

The product of its digits is 90720, while the sum is 41.

The square root of 135389417 is about 11635.6958107369. The cubic root of 135389417 is about 513.4855650807.

The spelling of 135389417 in words is "one hundred thirty-five million, three hundred eighty-nine thousand, four hundred seventeen".