15140361 has 4 divisors (see below), whose sum is σ = 20187152. Its totient is φ = 10093572.

The previous prime is 15140341. The next prime is 15140381. The reversal of 15140361 is 16304151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16304151 = 3 ⋅5434717.

It is an interprime number because it is at equal distance from previous prime (15140341) and next prime (15140381).

It is not a de Polignac number, because 15140361 - 2⁵ = 15140329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15140341) 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, 2523391 + ... + 2523396.

It is an arithmetic number, because the mean of its divisors is an integer number (5046788).

Almost surely, 2^15140361 is an apocalyptic number.

It is an amenable number.

15140361 is a deficient number, since it is larger than the sum of its proper divisors (5046791).

15140361 is an equidigital number, since it uses as much as digits as its factorization.

15140361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5046790.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 15140361 is about 3891.0616803130. The cubic root of 15140361 is about 247.3880648819.

The spelling of 15140361 in words is "fifteen million, one hundred forty thousand, three hundred sixty-one".