130443749 has 8 divisors (see below), whose sum is σ = 133164000. Its totient is φ = 127740592.

The previous prime is 130443743. The next prime is 130443751. The reversal of 130443749 is 947344031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130443749 - 2¹² = 130439653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130443743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11762 + ... + 19980.

It is an arithmetic number, because the mean of its divisors is an integer number (16645500).

Almost surely, 2^130443749 is an apocalyptic number.

It is an amenable number.

130443749 is a deficient number, since it is larger than the sum of its proper divisors (2720251).

130443749 is an equidigital number, since it uses as much as digits as its factorization.

130443749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8547.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 130443749 is about 11421.1973540431. The cubic root of 130443749 is about 507.1554427951.

The spelling of 130443749 in words is "one hundred thirty million, four hundred forty-three thousand, seven hundred forty-nine".