137773357 has 2 divisors, whose sum is σ = 137773358. Its totient is φ = 137773356.

The previous prime is 137773343. The next prime is 137773369. The reversal of 137773357 is 753377731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122633476 + 15139881 = 11074^2 + 3891^2 .

It is an emirp because it is prime and its reverse (753377731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137773357 - 2¹⁹ = 137249069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137773387) 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, 68886678 + 68886679.

It is an arithmetic number, because the mean of its divisors is an integer number (68886679).

Almost surely, 2^137773357 is an apocalyptic number.

It is an amenable number.

137773357 is a deficient number, since it is larger than the sum of its proper divisors (1).

137773357 is an equidigital number, since it uses as much as digits as its factorization.

137773357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324135, while the sum is 43.

The square root of 137773357 is about 11737.6895937829. The cubic root of 137773357 is about 516.4818688858.

The spelling of 137773357 in words is "one hundred thirty-seven million, seven hundred seventy-three thousand, three hundred fifty-seven".