130405519 has 4 divisors (see below), whose sum is σ = 131671696. Its totient is φ = 129139344.

The previous prime is 130405511. The next prime is 130405523. The reversal of 130405519 is 915504031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 915504031 = 13 ⋅70423387.

It is a cyclic number.

It is not a de Polignac number, because 130405519 - 2³ = 130405511 is a prime.

It is a super-2 number, since 2×130405519² = 34011198771318722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130405511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632934 + ... + 633139.

It is an arithmetic number, because the mean of its divisors is an integer number (32917924).

Almost surely, 2^130405519 is an apocalyptic number.

130405519 is a deficient number, since it is larger than the sum of its proper divisors (1266177).

130405519 is a wasteful number, since it uses less digits than its factorization.

130405519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266176.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 130405519 is about 11419.5235890119. The cubic root of 130405519 is about 507.1058928368.

The spelling of 130405519 in words is "one hundred thirty million, four hundred five thousand, five hundred nineteen".