134549749 has 2 divisors, whose sum is σ = 134549750. Its totient is φ = 134549748.

The previous prime is 134549743. The next prime is 134549761. The reversal of 134549749 is 947945431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134397649 + 152100 = 11593^2 + 390^2 .

It is a cyclic number.

It is not a de Polignac number, because 134549749 - 2⁵ = 134549717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134549699 and 134549708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134549743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67274874 + 67274875.

It is an arithmetic number, because the mean of its divisors is an integer number (67274875).

Almost surely, 2^134549749 is an apocalyptic number.

It is an amenable number.

134549749 is a deficient number, since it is larger than the sum of its proper divisors (1).

134549749 is an equidigital number, since it uses as much as digits as its factorization.

134549749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 46.

The square root of 134549749 is about 11599.5581381361. The cubic root of 134549749 is about 512.4218388834.

The spelling of 134549749 in words is "one hundred thirty-four million, five hundred forty-nine thousand, seven hundred forty-nine".