13154146 has 4 divisors (see below), whose sum is σ = 19731222. Its totient is φ = 6577072.

The previous prime is 13154143. The next prime is 13154147. The reversal of 13154146 is 64145131.

13154146 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, and also an emirpimes, since its reverse is a distinct semiprime: 64145131 = 17 ⋅3773243.

It can be written as a sum of positive squares in only one way, i.e., 8265625 + 4888521 = 2875^2 + 2211^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13154146.

It is not an unprimeable number, because it can be changed into a prime (13154143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3288535 + ... + 3288538.

Almost surely, 2^13154146 is an apocalyptic number.

13154146 is a deficient number, since it is larger than the sum of its proper divisors (6577076).

13154146 is an equidigital number, since it uses as much as digits as its factorization.

13154146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6577075.

The product of its digits is 1440, while the sum is 25.

The square root of 13154146 is about 3626.8644860265. The cubic root of 13154146 is about 236.0591755276.

Adding to 13154146 its reverse (64145131), we get a palindrome (77299277).

The spelling of 13154146 in words is "thirteen million, one hundred fifty-four thousand, one hundred forty-six".