307234134 has 32 divisors (see below), whose sum is σ = 691181280. Its totient is φ = 102409920.

The previous prime is 307234133. The next prime is 307234153. The reversal of 307234134 is 431432703.

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

It is a junction number, because it is equal to n+sod(n) for n = 307234098 and 307234107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307234133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30747 + ... + 39494.

It is an arithmetic number, because the mean of its divisors is an integer number (21599415).

Almost surely, 2^307234134 is an apocalyptic number.

307234134 is an abundant number, since it is smaller than the sum of its proper divisors (383947146).

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

307234134 is an frugal number, since it uses more digits than its factorization.

307234134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70264 (or 70246 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 307234134 is about 17528.0955611270. The cubic root of 307234134 is about 674.7711224014.

Adding to 307234134 its reverse (431432703), we get a palindrome (738666837).

The spelling of 307234134 in words is "three hundred seven million, two hundred thirty-four thousand, one hundred thirty-four".