13040158 has 4 divisors (see below), whose sum is σ = 19560240. Its totient is φ = 6520078.

The previous prime is 13040141. The next prime is 13040161. The reversal of 13040158 is 85104031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85104031 = 6343 ⋅13417.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3260038 + ... + 3260041.

It is an arithmetic number, because the mean of its divisors is an integer number (4890060).

Almost surely, 2^13040158 is an apocalyptic number.

13040158 is a deficient number, since it is larger than the sum of its proper divisors (6520082).

13040158 is an equidigital number, since it uses as much as digits as its factorization.

13040158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6520081.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 13040158 is about 3611.1158940139. The cubic root of 13040158 is about 235.3753350190.

Adding to 13040158 its reverse (85104031), we get a palindrome (98144189).

The spelling of 13040158 in words is "thirteen million, forty thousand, one hundred fifty-eight".