130100402 has 4 divisors (see below), whose sum is σ = 195150606. Its totient is φ = 65050200.

The previous prime is 130100389. The next prime is 130100417. The reversal of 130100402 is 204001031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204001031 = 13 ⋅15692387.

It can be written as a sum of positive squares in only one way, i.e., 90649441 + 39450961 = 9521^2 + 6281^2 .

It is a super-2 number, since 2×130100402² = 33852229201123208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32525099 + ... + 32525102.

Almost surely, 2^130100402 is an apocalyptic number.

130100402 is a deficient number, since it is larger than the sum of its proper divisors (65050204).

130100402 is an equidigital number, since it uses as much as digits as its factorization.

130100402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65050203.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 130100402 is about 11406.1563201632. The cubic root of 130100402 is about 506.7100827485.

Adding to 130100402 its reverse (204001031), we get a palindrome (334101433).

The spelling of 130100402 in words is "one hundred thirty million, one hundred thousand, four hundred two".