299391134 has 16 divisors (see below), whose sum is σ = 521942400. Its totient is φ = 126135384.

The previous prime is 299391109. The next prime is 299391139. The reversal of 299391134 is 431193992.

It is a super-2 number, since 2×299391134² = 179270102235611912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 299391091 and 299391100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (299391139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180404 + ... + 182055.

It is an arithmetic number, because the mean of its divisors is an integer number (32621400).

Almost surely, 2^299391134 is an apocalyptic number.

299391134 is a deficient number, since it is larger than the sum of its proper divisors (222551266).

299391134 is a wasteful number, since it uses less digits than its factorization.

299391134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362527.

The product of its digits is 52488, while the sum is 41.

The square root of 299391134 is about 17302.9227010930. The cubic root of 299391134 is about 668.9797600609.

The spelling of 299391134 in words is "two hundred ninety-nine million, three hundred ninety-one thousand, one hundred thirty-four".