130615619 has 4 divisors (see below), whose sum is σ = 130743096. Its totient is φ = 130488144.

The previous prime is 130615609. The next prime is 130615621. The reversal of 130615619 is 916516031.

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: 916516031 = 883 ⋅1037957.

It is a cyclic number.

It is not a de Polignac number, because 130615619 - 2⁴ = 130615603 is a prime.

It is a super-2 number, since 2×130615619² = 34120879853506322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130615609) 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, 62189 + ... + 64254.

It is an arithmetic number, because the mean of its divisors is an integer number (32685774).

Almost surely, 2^130615619 is an apocalyptic number.

130615619 is a deficient number, since it is larger than the sum of its proper divisors (127477).

130615619 is a wasteful number, since it uses less digits than its factorization.

130615619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127476.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 130615619 is about 11428.7190445824. The cubic root of 130615619 is about 507.3780842336.

The spelling of 130615619 in words is "one hundred thirty million, six hundred fifteen thousand, six hundred nineteen".