130620064 has 24 divisors (see below), whose sum is σ = 264110868. Its totient is φ = 63544320.

The previous prime is 130620053. The next prime is 130620067. The reversal of 130620064 is 460026031.

It can be written as a sum of positive squares in 2 ways, for example, as 115347600 + 15272464 = 10740^2 + 3908^2 .

It is a super-2 number, since 2×130620064² = 34123202238728192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130620067) 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, 53977 + ... + 56344.

Almost surely, 2^130620064 is an apocalyptic number.

It is an amenable number.

130620064 is an abundant number, since it is smaller than the sum of its proper divisors (133490804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130620064 is a wasteful number, since it uses less digits than its factorization.

130620064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110368 (or 110360 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 130620064 is about 11428.9135091661. The cubic root of 130620064 is about 507.3838397219.

Adding to 130620064 its reverse (460026031), we get a palindrome (590646095).

The spelling of 130620064 in words is "one hundred thirty million, six hundred twenty thousand, sixty-four".