135004407 has 8 divisors (see below), whose sum is σ = 182957040. Its totient is φ = 88527360.

The previous prime is 135004403. The next prime is 135004427. The reversal of 135004407 is 704400531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135004407 - 2² = 135004403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135004403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368682 + ... + 369047.

It is an arithmetic number, because the mean of its divisors is an integer number (22869630).

Almost surely, 2^135004407 is an apocalyptic number.

135004407 is a deficient number, since it is larger than the sum of its proper divisors (47952633).

135004407 is an equidigital number, since it uses as much as digits as its factorization.

135004407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737793.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 135004407 is about 11619.1396841591. The cubic root of 135004407 is about 512.9983660637.

Adding to 135004407 its reverse (704400531), we get a palindrome (839404938).

The spelling of 135004407 in words is "one hundred thirty-five million, four thousand, four hundred seven".