137453317 has 2 divisors, whose sum is σ = 137453318. Its totient is φ = 137453316.

The previous prime is 137453299. The next prime is 137453321. The reversal of 137453317 is 713354731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103917636 + 33535681 = 10194^2 + 5791^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137453317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137451317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68726658 + 68726659.

It is an arithmetic number, because the mean of its divisors is an integer number (68726659).

Almost surely, 2^137453317 is an apocalyptic number.

It is an amenable number.

137453317 is a deficient number, since it is larger than the sum of its proper divisors (1).

137453317 is an equidigital number, since it uses as much as digits as its factorization.

137453317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26460, while the sum is 34.

The square root of 137453317 is about 11724.0486607656. The cubic root of 137453317 is about 516.0816390768.

The spelling of 137453317 in words is "one hundred thirty-seven million, four hundred fifty-three thousand, three hundred seventeen".