15136361 has 4 divisors (see below), whose sum is σ = 15192900. Its totient is φ = 15079824.

The previous prime is 15136351. The next prime is 15136393. The reversal of 15136361 is 16363151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16363151 = 7 ⋅2337593.

It can be written as a sum of positive squares in 2 ways, for example, as 8886361 + 6250000 = 2981^2 + 2500^2 .

It is a cyclic number.

It is not a de Polignac number, because 15136361 - 2¹⁴ = 15119977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15136361.

It is not an unprimeable number, because it can be changed into a prime (15136351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27866 + ... + 28403.

It is an arithmetic number, because the mean of its divisors is an integer number (3798225).

Almost surely, 2^15136361 is an apocalyptic number.

It is an amenable number.

15136361 is a deficient number, since it is larger than the sum of its proper divisors (56539).

15136361 is an equidigital number, since it uses as much as digits as its factorization.

15136361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56538.

The product of its digits is 1620, while the sum is 26.

The square root of 15136361 is about 3890.5476478254. The cubic root of 15136361 is about 247.3662767749.

The spelling of 15136361 in words is "fifteen million, one hundred thirty-six thousand, three hundred sixty-one".