674319137 has 2 divisors, whose sum is σ = 674319138. Its totient is φ = 674319136.

The previous prime is 674319119. The next prime is 674319143. The reversal of 674319137 is 731913476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 659256976 + 15062161 = 25676^2 + 3881^2 .

It is a cyclic number.

It is not a de Polignac number, because 674319137 - 2¹² = 674315041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 674319094 and 674319103.

It is not a weakly prime, because it can be changed into another prime (674319157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337159568 + 337159569.

It is an arithmetic number, because the mean of its divisors is an integer number (337159569).

Almost surely, 2^674319137 is an apocalyptic number.

It is an amenable number.

674319137 is a deficient number, since it is larger than the sum of its proper divisors (1).

674319137 is an equidigital number, since it uses as much as digits as its factorization.

674319137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 41.

The square root of 674319137 is about 25967.6555930642. The cubic root of 674319137 is about 876.9102806865.

The spelling of 674319137 in words is "six hundred seventy-four million, three hundred nineteen thousand, one hundred thirty-seven".