26148146 has 4 divisors (see below), whose sum is σ = 39222222. Its totient is φ = 13074072.

The previous prime is 26148139. The next prime is 26148149. The reversal of 26148146 is 64184162.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24157225 + 1990921 = 4915^2 + 1411^2 .

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (26148149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6537035 + ... + 6537038.

Almost surely, 2^26148146 is an apocalyptic number.

26148146 is a deficient number, since it is larger than the sum of its proper divisors (13074076).

26148146 is a wasteful number, since it uses less digits than its factorization.

26148146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13074075.

The product of its digits is 9216, while the sum is 32.

The square root of 26148146 is about 5113.5257895116. The cubic root of 26148146 is about 296.8112106861.

The spelling of 26148146 in words is "twenty-six million, one hundred forty-eight thousand, one hundred forty-six".