137383739 has 2 divisors, whose sum is σ = 137383740. Its totient is φ = 137383738.

The previous prime is 137383711. The next prime is 137383747. The reversal of 137383739 is 937383731.

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-137383739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 137383739.

It is not a weakly prime, because it can be changed into another prime (137383789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68691869 + 68691870.

It is an arithmetic number, because the mean of its divisors is an integer number (68691870).

Almost surely, 2^137383739 is an apocalyptic number.

137383739 is a deficient number, since it is larger than the sum of its proper divisors (1).

137383739 is an equidigital number, since it uses as much as digits as its factorization.

137383739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 285768, while the sum is 44.

The square root of 137383739 is about 11721.0809655083. The cubic root of 137383739 is about 515.9945452922.

The spelling of 137383739 in words is "one hundred thirty-seven million, three hundred eighty-three thousand, seven hundred thirty-nine".