342140306 has 8 divisors (see below), whose sum is σ = 513419904. Its totient is φ = 171000340.

The previous prime is 342140291. The next prime is 342140327. The reversal of 342140306 is 603041243.

It is a happy number.

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

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, 28550 + ... + 38721.

It is an arithmetic number, because the mean of its divisors is an integer number (64177488).

Almost surely, 2^342140306 is an apocalyptic number.

342140306 is a deficient number, since it is larger than the sum of its proper divisors (171279598).

342140306 is a wasteful number, since it uses less digits than its factorization.

342140306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69816.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 342140306 is about 18497.0350597062. The cubic root of 342140306 is about 699.4146848663.

Adding to 342140306 its reverse (603041243), we get a palindrome (945181549).

The spelling of 342140306 in words is "three hundred forty-two million, one hundred forty thousand, three hundred six".