16134401 has 4 divisors (see below), whose sum is σ = 16983600. Its totient is φ = 15285204.

The previous prime is 16134397. The next prime is 16134403. The reversal of 16134401 is 10443161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16134401 - 2² = 16134397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16134403) 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, 424571 + ... + 424608.

It is an arithmetic number, because the mean of its divisors is an integer number (4245900).

Almost surely, 2^16134401 is an apocalyptic number.

It is an amenable number.

16134401 is a deficient number, since it is larger than the sum of its proper divisors (849199).

16134401 is an equidigital number, since it uses as much as digits as its factorization.

16134401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849198.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 16134401 is about 4016.7649918809. The cubic root of 16134401 is about 252.6878045991.

Adding to 16134401 its reverse (10443161), we get a palindrome (26577562).

The spelling of 16134401 in words is "sixteen million, one hundred thirty-four thousand, four hundred one".