348135407 has 4 divisors (see below), whose sum is σ = 348215736. Its totient is φ = 348055080.

The previous prime is 348135397. The next prime is 348135493. The reversal of 348135407 is 704531843.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 348135407 - 2⁴ = 348135391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348165407) 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, 33269 + ... + 42462.

It is an arithmetic number, because the mean of its divisors is an integer number (87053934).

Almost surely, 2^348135407 is an apocalyptic number.

348135407 is a deficient number, since it is larger than the sum of its proper divisors (80329).

348135407 is an equidigital number, since it uses as much as digits as its factorization.

348135407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80328.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 348135407 is about 18658.3870417569. The cubic root of 348135407 is about 703.4761829347.

The spelling of 348135407 in words is "three hundred forty-eight million, one hundred thirty-five thousand, four hundred seven".