130405401 has 24 divisors (see below), whose sum is σ = 219857664. Its totient is φ = 72930240.

The previous prime is 130405361. The next prime is 130405409. The reversal of 130405401 is 104504031.

It is a happy number.

It is not a de Polignac number, because 130405401 - 2¹⁷ = 130274329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130405409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19060 + ... + 24981.

It is an arithmetic number, because the mean of its divisors is an integer number (9160736).

Almost surely, 2^130405401 is an apocalyptic number.

It is an amenable number.

130405401 is a deficient number, since it is larger than the sum of its proper divisors (89452263).

130405401 is a wasteful number, since it uses less digits than its factorization.

130405401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44101 (or 44098 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 130405401 is about 11419.5184224204. The cubic root of 130405401 is about 507.1057398818.

Adding to 130405401 its reverse (104504031), we get a palindrome (234909432).

The spelling of 130405401 in words is "one hundred thirty million, four hundred five thousand, four hundred one".