16135474 has 4 divisors (see below), whose sum is σ = 24203214. Its totient is φ = 8067736.

The previous prime is 16135453. The next prime is 16135547. The reversal of 16135474 is 47453161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47453161 = 7 ⋅6779023.

It can be written as a sum of positive squares in only one way, i.e., 15484225 + 651249 = 3935^2 + 807^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4033867 + ... + 4033870.

Almost surely, 2^16135474 is an apocalyptic number.

16135474 is a deficient number, since it is larger than the sum of its proper divisors (8067740).

16135474 is an equidigital number, since it uses as much as digits as its factorization.

16135474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8067739.

The product of its digits is 10080, while the sum is 31.

The square root of 16135474 is about 4016.8985548555. The cubic root of 16135474 is about 252.6934060467.

The spelling of 16135474 in words is "sixteen million, one hundred thirty-five thousand, four hundred seventy-four".