15130834 has 4 divisors (see below), whose sum is σ = 22696254. Its totient is φ = 7565416.

The previous prime is 15130831. The next prime is 15130847. The reversal of 15130834 is 43803151.

15130834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 14326225 + 804609 = 3785^2 + 897^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15130799 and 15130808.

It is not an unprimeable number, because it can be changed into a prime (15130831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3782707 + ... + 3782710.

Almost surely, 2^15130834 is an apocalyptic number.

15130834 is a deficient number, since it is larger than the sum of its proper divisors (7565420).

15130834 is an equidigital number, since it uses as much as digits as its factorization.

15130834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7565419.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 15130834 is about 3889.8372716606. The cubic root of 15130834 is about 247.3361647408.

Adding to 15130834 its reverse (43803151), we get a palindrome (58933985).

The spelling of 15130834 in words is "fifteen million, one hundred thirty thousand, eight hundred thirty-four".