134752439 has 2 divisors, whose sum is σ = 134752440. Its totient is φ = 134752438.

The previous prime is 134752403. The next prime is 134752451. The reversal of 134752439 is 934257431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134752439 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134752459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67376219 + 67376220.

It is an arithmetic number, because the mean of its divisors is an integer number (67376220).

Almost surely, 2^134752439 is an apocalyptic number.

134752439 is a deficient number, since it is larger than the sum of its proper divisors (1).

134752439 is an equidigital number, since it uses as much as digits as its factorization.

134752439 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 134752439 is about 11608.2918209356. The cubic root of 134752439 is about 512.6790192766.

The spelling of 134752439 in words is "one hundred thirty-four million, seven hundred fifty-two thousand, four hundred thirty-nine".