306135342 has 32 divisors (see below), whose sum is σ = 681290400. Its totient is φ = 101896704.

The previous prime is 306135317. The next prime is 306135377. The reversal of 306135342 is 243531603.

It is a happy number.

306135342 is a `hidden beast` number, since 3 + 0 + 613 + 5 + 3 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37134 + ... + 44622.

It is an arithmetic number, because the mean of its divisors is an integer number (21290325).

Almost surely, 2^306135342 is an apocalyptic number.

306135342 is an abundant number, since it is smaller than the sum of its proper divisors (375155058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

306135342 is a wasteful number, since it uses less digits than its factorization.

306135342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8257 (or 8251 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 306135342 is about 17496.7237504625. The cubic root of 306135342 is about 673.9657444867.

Adding to 306135342 its reverse (243531603), we get a palindrome (549666945).

The spelling of 306135342 in words is "three hundred six million, one hundred thirty-five thousand, three hundred forty-two".