15730130 has 16 divisors (see below), whose sum is σ = 30492504. Its totient is φ = 5808000.

The previous prime is 15730129. The next prime is 15730133. The reversal of 15730130 is 3103751.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10259209 + 5470921 = 3203^2 + 2339^2 .

It is not an unprimeable number, because it can be changed into a prime (15730133) 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, 60371 + ... + 60630.

Almost surely, 2^15730130 is an apocalyptic number.

15730130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15730130 is a deficient number, since it is larger than the sum of its proper divisors (14762374).

15730130 is a wasteful number, since it uses less digits than its factorization.

15730130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121021.

The product of its (nonzero) digits is 315, while the sum is 20.

The square root of 15730130 is about 3966.1227918460. The cubic root of 15730130 is about 250.5594405048.

Adding to 15730130 its reverse (3103751), we get a palindrome (18833881).

It can be divided in two parts, 15730 and 130, that multiplied together give a square (2044900 = 1430²).

The spelling of 15730130 in words is "fifteen million, seven hundred thirty thousand, one hundred thirty".