16134749 has 2 divisors, whose sum is σ = 16134750. Its totient is φ = 16134748.

The previous prime is 16134697. The next prime is 16134779. The reversal of 16134749 is 94743161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15960025 + 174724 = 3995^2 + 418^2 .

It is a cyclic number.

It is not a de Polignac number, because 16134749 - 2⁸ = 16134493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16134779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8067374 + 8067375.

It is an arithmetic number, because the mean of its divisors is an integer number (8067375).

Almost surely, 2^16134749 is an apocalyptic number.

It is an amenable number.

16134749 is a deficient number, since it is larger than the sum of its proper divisors (1).

16134749 is an equidigital number, since it uses as much as digits as its factorization.

16134749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 16134749 is about 4016.8083100890. The cubic root of 16134749 is about 252.6896213120.

The spelling of 16134749 in words is "sixteen million, one hundred thirty-four thousand, seven hundred forty-nine".