15140135 has 4 divisors (see below), whose sum is σ = 18168168. Its totient is φ = 12112104.

The previous prime is 15140129. The next prime is 15140137. The reversal of 15140135 is 53104151.

15140135 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 is a cyclic number.

It is not a de Polignac number, because 15140135 - 2¹⁴ = 15123751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15140137) 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, 1514009 + ... + 1514018.

It is an arithmetic number, because the mean of its divisors is an integer number (4542042).

Almost surely, 2^15140135 is an apocalyptic number.

15140135 is a deficient number, since it is larger than the sum of its proper divisors (3028033).

15140135 is an equidigital number, since it uses as much as digits as its factorization.

15140135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028032.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 15140135 is about 3891.0326392874. The cubic root of 15140135 is about 247.3868339562.

Adding to 15140135 its reverse (53104151), we get a palindrome (68244286).

The spelling of 15140135 in words is "fifteen million, one hundred forty thousand, one hundred thirty-five".