134473739 has 2 divisors, whose sum is σ = 134473740. Its totient is φ = 134473738.

The previous prime is 134473711. The next prime is 134473751. The reversal of 134473739 is 937374431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134473739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134473696 and 134473705.

It is not a weakly prime, because it can be changed into another prime (134473789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67236869 + 67236870.

It is an arithmetic number, because the mean of its divisors is an integer number (67236870).

Almost surely, 2^134473739 is an apocalyptic number.

134473739 is a deficient number, since it is larger than the sum of its proper divisors (1).

134473739 is an equidigital number, since it uses as much as digits as its factorization.

134473739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 41.

The square root of 134473739 is about 11596.2812573687. The cubic root of 134473739 is about 512.3253280613.

The spelling of 134473739 in words is "one hundred thirty-four million, four hundred seventy-three thousand, seven hundred thirty-nine".