15136830 has 48 divisors (see below), whose sum is σ = 39742560. Its totient is φ = 3996864.

The previous prime is 15136819. The next prime is 15136837. The reversal of 15136830 is 3863151.

It is a junction number, because it is equal to n+sod(n) for n = 15136794 and 15136803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15136837) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9039 + ... + 10581.

It is an arithmetic number, because the mean of its divisors is an integer number (827970).

Almost surely, 2^15136830 is an apocalyptic number.

15136830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15136830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19871280).

15136830 is an abundant number, since it is smaller than the sum of its proper divisors (24605730).

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

15136830 is a wasteful number, since it uses less digits than its factorization.

15136830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665 (or 1662 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 15136830 is about 3890.6079216493. The cubic root of 15136830 is about 247.3688316291.

Adding to 15136830 its reverse (3863151), we get a palindrome (18999981).

The spelling of 15136830 in words is "fifteen million, one hundred thirty-six thousand, eight hundred thirty".