130728674 has 24 divisors (see below), whose sum is σ = 214595244. Its totient is φ = 59520000.

The previous prime is 130728671. The next prime is 130728677. The reversal of 130728674 is 476827031.

It is an interprime number because it is at equal distance from previous prime (130728671) and next prime (130728677).

It can be written as a sum of positive squares in 2 ways, for example, as 128029225 + 2699449 = 11315^2 + 1643^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130728671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30674 + ... + 34674.

Almost surely, 2^130728674 is an apocalyptic number.

130728674 is a deficient number, since it is larger than the sum of its proper divisors (83866570).

130728674 is a wasteful number, since it uses less digits than its factorization.

130728674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4082 (or 4051 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 130728674 is about 11433.6640671309. The cubic root of 130728674 is about 507.5244298949.

The spelling of 130728674 in words is "one hundred thirty million, seven hundred twenty-eight thousand, six hundred seventy-four".