1137839929 has 2 divisors, whose sum is σ = 1137839930. Its totient is φ = 1137839928.

The previous prime is 1137839897. The next prime is 1137839939. The reversal of 1137839929 is 9299387311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 932691600 + 205148329 = 30540^2 + 14323^2 .

It is a cyclic number.

It is not a de Polignac number, because 1137839929 - 2⁵ = 1137839897 is a prime.

It is not a weakly prime, because it can be changed into another prime (1137839939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568919964 + 568919965.

It is an arithmetic number, because the mean of its divisors is an integer number (568919965).

Almost surely, 2^1137839929 is an apocalyptic number.

It is an amenable number.

1137839929 is a deficient number, since it is larger than the sum of its proper divisors (1).

1137839929 is an equidigital number, since it uses as much as digits as its factorization.

1137839929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 734832, while the sum is 52.

The square root of 1137839929 is about 33731.8829744205. The cubic root of 1137839929 is about 1043.9837128569.

The spelling of 1137839929 in words is "one billion, one hundred thirty-seven million, eight hundred thirty-nine thousand, nine hundred twenty-nine".