130019693 has 4 divisors (see below), whose sum is σ = 130746240. Its totient is φ = 129293148.

The previous prime is 130019683. The next prime is 130019737. The reversal of 130019693 is 396910031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 396910031 = 7 ⋅56701433.

It is a cyclic number.

It is not a de Polignac number, because 130019693 - 2¹² = 130015597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130019633) 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, 363005 + ... + 363362.

It is an arithmetic number, because the mean of its divisors is an integer number (32686560).

Almost surely, 2^130019693 is an apocalyptic number.

It is an amenable number.

130019693 is a deficient number, since it is larger than the sum of its proper divisors (726547).

130019693 is an equidigital number, since it uses as much as digits as its factorization.

130019693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726546.

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 130019693 is about 11402.6178134672. The cubic root of 130019693 is about 506.6052802957.

The spelling of 130019693 in words is "one hundred thirty million, nineteen thousand, six hundred ninety-three".