130169049 has 4 divisors (see below), whose sum is σ = 173558736. Its totient is φ = 86779364.

The previous prime is 130169033. The next prime is 130169077. The reversal of 130169049 is 940961031.

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: 940961031 = 3 ⋅313653677.

It is a cyclic number.

It is not a de Polignac number, because 130169049 - 2⁴ = 130169033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130169009) 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, 21694839 + ... + 21694844.

It is an arithmetic number, because the mean of its divisors is an integer number (43389684).

Almost surely, 2^130169049 is an apocalyptic number.

It is an amenable number.

130169049 is a deficient number, since it is larger than the sum of its proper divisors (43389687).

130169049 is an equidigital number, since it uses as much as digits as its factorization.

130169049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43389686.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 130169049 is about 11409.1651315949. The cubic root of 130169049 is about 506.7991883172.

The spelling of 130169049 in words is "one hundred thirty million, one hundred sixty-nine thousand, forty-nine".