15136428 has 24 divisors (see below), whose sum is σ = 35392000. Its totient is φ = 5034960.

The previous prime is 15136423. The next prime is 15136453. The reversal of 15136428 is 82463151.

It is a super-2 number, since 2×15136428² = 458222905198368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15136395 and 15136404.

It is not an unprimeable number, because it can be changed into a prime (15136423) 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, 6573 + ... + 8571.

Almost surely, 2^15136428 is an apocalyptic number.

It is an amenable number.

15136428 is an abundant number, since it is smaller than the sum of its proper divisors (20255572).

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

15136428 is a wasteful number, since it uses less digits than its factorization.

15136428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2637 (or 2635 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 15136428 is about 3890.5562584289. The cubic root of 15136428 is about 247.3666417573.

Adding to 15136428 its reverse (82463151), we get a palindrome (97599579).

The spelling of 15136428 in words is "fifteen million, one hundred thirty-six thousand, four hundred twenty-eight".