134749253 has 2 divisors, whose sum is σ = 134749254. Its totient is φ = 134749252.

The previous prime is 134749217. The next prime is 134749309. The reversal of 134749253 is 352947431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110523169 + 24226084 = 10513^2 + 4922^2 .

It is a cyclic number.

It is not a de Polignac number, because 134749253 - 2⁶ = 134749189 is a prime.

It is a super-2 number, since 2×134749253² = 36314722368116018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134749213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67374626 + 67374627.

It is an arithmetic number, because the mean of its divisors is an integer number (67374627).

Almost surely, 2^134749253 is an apocalyptic number.

It is an amenable number.

134749253 is a deficient number, since it is larger than the sum of its proper divisors (1).

134749253 is an equidigital number, since it uses as much as digits as its factorization.

134749253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 38.

The square root of 134749253 is about 11608.1545906315. The cubic root of 134749253 is about 512.6749787604.

The spelling of 134749253 in words is "one hundred thirty-four million, seven hundred forty-nine thousand, two hundred fifty-three".