34402142 has 8 divisors (see below), whose sum is σ = 51630600. Its totient is φ = 17191944.

The previous prime is 34402139. The next prime is 34402153. The reversal of 34402142 is 24120443.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2084 + ... + 8552.

It is an arithmetic number, because the mean of its divisors is an integer number (6453825).

Almost surely, 2^34402142 is an apocalyptic number.

34402142 is a deficient number, since it is larger than the sum of its proper divisors (17228458).

34402142 is a wasteful number, since it uses less digits than its factorization.

34402142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9130.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 34402142 is about 5865.3339205880. Note that the first 3 decimals coincide. The cubic root of 34402142 is about 325.2334165399.

Adding to 34402142 its reverse (24120443), we get a palindrome (58522585).

The spelling of 34402142 in words is "thirty-four million, four hundred two thousand, one hundred forty-two".