130438061 has 8 divisors (see below), whose sum is σ = 144268824. Its totient is φ = 117149760.

The previous prime is 130438057. The next prime is 130438073. The reversal of 130438061 is 160834031.

It can be written as a sum of positive squares in 4 ways, for example, as 42172036 + 88266025 = 6494^2 + 9395^2 .

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

It is not a de Polignac number, because 130438061 - 2² = 130438057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130438061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130438031) 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, 135110 + ... + 136071.

It is an arithmetic number, because the mean of its divisors is an integer number (18033603).

Almost surely, 2^130438061 is an apocalyptic number.

It is an amenable number.

130438061 is a deficient number, since it is larger than the sum of its proper divisors (13830763).

130438061 is a wasteful number, since it uses less digits than its factorization.

130438061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271231.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 130438061 is about 11420.9483406589. The cubic root of 130438061 is about 507.1480711832.

The spelling of 130438061 in words is "one hundred thirty million, four hundred thirty-eight thousand, sixty-one".