130234779 has 6 divisors (see below), whose sum is σ = 188116916. Its totient is φ = 86823180.

The previous prime is 130234777. The next prime is 130234781. The reversal of 130234779 is 977432031.

130234779 is a `hidden beast` number, since 1 + 302 + 347 + 7 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (130234777) and next prime (130234781).

It is not a de Polignac number, because 130234779 - 2¹ = 130234777 is a prime.

It is a super-3 number, since 3×130234779³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130234777) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7235257 + ... + 7235274.

Almost surely, 2^130234779 is an apocalyptic number.

130234779 is a deficient number, since it is larger than the sum of its proper divisors (57882137).

130234779 is a wasteful number, since it uses less digits than its factorization.

130234779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14470537 (or 14470534 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 130234779 is about 11412.0453469131. The cubic root of 130234779 is about 506.8844781907.

The spelling of 130234779 in words is "one hundred thirty million, two hundred thirty-four thousand, seven hundred seventy-nine".