34142405 has 8 divisors (see below), whose sum is σ = 44695584. Its totient is φ = 24830800.

The previous prime is 34142393. The next prime is 34142413. The reversal of 34142405 is 50424143.

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

It is not a de Polignac number, because 34142405 - 2⁸ = 34142149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 310331 + ... + 310440.

It is an arithmetic number, because the mean of its divisors is an integer number (5586948).

Almost surely, 2^34142405 is an apocalyptic number.

It is an amenable number.

34142405 is a deficient number, since it is larger than the sum of its proper divisors (10553179).

34142405 is a wasteful number, since it uses less digits than its factorization.

34142405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620787.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 34142405 is about 5843.1502633425. The cubic root of 34142405 is about 324.4128412336.

Adding to 34142405 its reverse (50424143), we get a palindrome (84566548).

The spelling of 34142405 in words is "thirty-four million, one hundred forty-two thousand, four hundred five".