130702240 has 48 divisors (see below), whose sum is σ = 314630568. Its totient is φ = 51291136.

The previous prime is 130702223. The next prime is 130702249. The reversal of 130702240 is 42207031.

It can be written as a sum of positive squares in 4 ways, for example, as 128051856 + 2650384 = 11316^2 + 1628^2 .

It is not an unprimeable number, because it can be changed into a prime (130702249) 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, 774 + ... + 16186.

Almost surely, 2^130702240 is an apocalyptic number.

130702240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130702240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157315284).

130702240 is an abundant number, since it is smaller than the sum of its proper divisors (183928328).

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

130702240 is a wasteful number, since it uses less digits than its factorization.

130702240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15481 (or 15473 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 130702240 is about 11432.5080362972. The cubic root of 130702240 is about 507.4902195855.

Adding to 130702240 its reverse (42207031), we get a palindrome (172909271).

The spelling of 130702240 in words is "one hundred thirty million, seven hundred two thousand, two hundred forty".